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| Author | Третьяков, И.В.; Рябчун, С.А.; Каурова, Н.С.; Ларионов, П.А.; Лобастова, А.А.; Воронов, Б.М.; Финкель, М.И.; Гольцман, Г.Н. | ||||
| Title | Оптимальная поглощенная мощность гетеродина для терагерцового сверхпроводникового NbN смесителя на электронном разогреве | Type | Journal Article | ||
Year  |
2010 | Publication | Письма в Журнал технической физики | Abbreviated Journal | Письма в ЖТФ |
| Volume | 36 | Issue | 23 | Pages | 78-84 |
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| Abstract | Представлены результаты измерений поглощенной мощности гетеродина малошумящим широкополосным смесителем на эффекте электронного разогрева в резистивном состоянии сверхпроводниковой ультратонкой пленки NbN. Оптимальная поглощенная мощность гетеродина составила около 100 nW на частоте 2.5 THz. | ||||
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| Notes | Approved | no | |||
| Call Number | RPLAB @ gujma @ | Serial | 703 | ||
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| Author | Ожегов, Р.В.; Горшков, К.Н.; Окунев, О.В.; Гольцман, Г.Н. | ||||
| Title | Сверхпроводниковый смеситель на эффекте электронного разогрева как элемент матрицы системы построения тепловых изображений | Type | Journal Article | ||
| Year |
2010 | Publication | Письма в Журнал технической физики | Abbreviated Journal | Письма в ЖТФ |
| Volume | 36 | Issue | 21 | Pages | 70-78 |
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| Abstract | Исследована возможность использования матрицы чувствительных элементов на гиперполусферической линзе диаметром 12 mm в тепловизоре терагерцевого диапазона частот. Получены размеры области на линзе, приемлемой для расположения матрицы, в которой шумовая температура приемника меняется в пределах 16% от средней. Диаметр этой области составил 3.3% диаметра линзы.Получены отклонения основного лепестка диаграммы направленности, которые составили ±1.25â—<a6> от направления с оптимальным положением смесителя. Флуктуационная чувствительность приемника в эксперименте составила 0.5 K на частоте 300 GHz. | ||||
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| Notes | Approved | no | |||
| Call Number | RPLAB @ gujma @ | Serial | 704 | ||
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| Author | Korneev, A.; Finkel, M.; Maslennikov, S.; Korneeva, Yu.; Florya, I.; Tarkhov, M.; Elezov, M.; Ryabchun, S.; Tretyakov, I.; Isupova, A.; Voronov, B.; Goltsman, G. | ||||
| Title | Superconducting NbN terahertz detectors and infrared photon counters | Type | Journal Article | ||
| Year |
2010 | Publication | Вестник НГУ. Серия: физ. | Abbreviated Journal | Вестник НГУ. Серия: физ. |
| Volume | 5 | Issue | 4 | Pages | 68-72 |
| Keywords | HEB; HEB mixer | ||||
| Abstract | We present our recent achievements in the development of sensitive and ultrafast thin-film superconducting sensors: hot-electron bolometers (HEB), HEB-mixers for terahertz range and infrared single-photon counters. These sensors have already demonstrated a performance that makes them devices-of-choice for many terahertz and optical applications. Keywords: Hot electron bolometer mixers, infrared single-photon detectors, superconducting device fabrication, superconducting NbN films. | ||||
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| ISSN | 1818-7994 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | УДК 538.9 | Approved | no | ||
| Call Number | RPLAB @ gujma @ | Serial | 708 | ||
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| Author | Ozhegov, R. V.; Gorshkov, K. N.; Okunev, O. V.; Gol’tsman, G. N. | ||||
| Title | Superconducting hot-electron bolometer mixer as element of thermal imager matrix | Type | Journal Article | ||
| Year |
2010 | Publication | Tech. Phys. Lett. | Abbreviated Journal | Tech. Phys. Lett. |
| Volume | 36 | Issue | 11 | Pages | 1006-1008 |
| Keywords | HEB mixers | ||||
| Abstract | The possibility of using a matrix of sensitive elements on a 12-mm-diameter hyperhemispherical lens in a thermal imager operating in the terahertz range has been studied. Dimensions of a lens region acceptable for arrangement of the matrix, in which the receiver noise temperature varies within 16% of the mean value, are determined to be 3.3% of the lens diameter. Deviations of the main lobe of the directivity pattern are evaluated, which amount to ±1.25° relative to the direction toward the optimum position of a mixer. The fluctuation sensitivity of the receiver measured in experiment is 0.5 K at a frequency of 300 GHz. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1063-7850 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1390 | |||
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| Author | Elvira, D.; Michon, A.; Fain, B.; Patriarche, G.; Beaudoin, G.; Robert-Philip, I.; Vachtomin, Y.; Divochiy, A. V.; Smirnov, K. V.; Gol’tsman, G. N.; Sagnes, I.; Beveratos, A. | ||||
| Title | Time-resolved spectroscopy of InAsP/InP(001) quantum dots emitting near 2 μm | Type | Journal Article | ||
| Year |
2010 | Publication | Appl. Phys. Lett. | Abbreviated Journal | Appl. Phys. Lett. |
| Volume | 97 | Issue | 13 | Pages | 131907 (1 to 3) |
| Keywords | SSPD, SNSPD, InAsP/InP quantum dots | ||||
| Abstract | By using superconducting single photon detectors, we perform time-resolved characterization of a small ensemble of InAsP/InP quantum dots grown by metal organic vapor phase epitaxy, emitting at wavelengths between 1.6 and 2.2 μm. We demonstrate that alloying phosphorus with InAs allows to shift the emission wavelength toward higher wavelengths, while keeping the high optical quality of these quantum dots at room temperature, with no decrease in their radiative lifetime. This work was partially supported by Russian Ministry of Science and Education: Federal State Program “Scientific and Educational Cadres of Innovative” state Contract Nos. 02.740.0228, 14.740.11.0343, 14.740.11.0269, and P931, and RFBR Project No. 09-02-12364. | ||||
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| ISSN | 0003-6951 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1238 | |||
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| Author | Смирнов, Константин Владимирович; Вахтомин, Юрий Борисович; Смирнов, Андрей Владимирович; Ожегов, Роман Викторович; Пентин, Иван Викторович; Дивочий, Александр Валерьевич; Сливинская, Елизавета Вячеславовна; Гольцман, Григорий Наумович | ||||
| Title | Приемники терагерцового и инфракрасного диапазонов, основанные на тонкопленочных сверхпроводниковых наноструктурах | Type | Journal Article | ||
| Year |
2010 | Publication | Вестник НГУ. Серия: Физика | Abbreviated Journal | Вестник НГУ. Серия: Физика |
| Volume | 5 | Issue | 4 | Pages | |
| Keywords | HEB, SSPD, SNSPD | ||||
| Abstract | В работе представлены результаты разработки и создания чувствительных и ультрабыстрых приемников, основанных на тонкопленочных сверхпроводниковых наноструктурах: болометрах на эффекте электронного разогрева (HEB – hot-electron bolometer) и детекторах одиночных фотонов видимого и инфракрасного диапазонов волн (SSPD – superconducting singe-photon detector). Представлены основные принципы работы сверхпроводниковых устройств, технология создания и конструкционные особенности приемников, их основные типы и характеристики. Достигнутые рекордные значения параметров приемных систем позволяют использовать созданные приборы при решении различных научно-исследовательских задач в ближнем, среднем и дальнем ИК диапазонах волн. This work presents the results of the development and fabrication of sensitive and ultrafast detectorsbased on thin film superconducting nanostructures: hot-electron bolometers (HEBs) and visible and infrared superconducting singe photon detectors (SSPDs). The main operational principles of the superconducting devices are presentedas well as the technology of fabrication of the detectors and their main types and parameters. The achieved record parameters of the detectors allow application of the fabricated devices to solution of various research problems in the near, middle and far IR ranges. |
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| Publisher | Новосибирский государственный университет | Place of Publication | Editor | ||
| Language | Russian | Summary Language | Original Title | ||
| Series Editor | Series Title | Физика | Abbreviated Series Title | ||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1818-7994 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | УДК 538.9 | Approved | no | ||
| Call Number | RPLAB @ sasha @ смирнов2010приемники | Serial | 1033 | ||
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| Author | Shangina, E. L.; Smirnov, K. V.; Morozov, D. V.; Kovalyuk, V. V.; Gol’tsman, G. N.; Verevkin, A. A.; Toropov, A. I. | ||||
| Title | Frequency bandwidth and conversion loss of a semiconductor heterodyne receiver with phonon cooling of two-dimensional electrons | Type | Journal Article | ||
| Year |
2010 | Publication | Semicond. | Abbreviated Journal | Semicond. |
| Volume | 44 | Issue | 11 | Pages | 1427-1429 |
| Keywords | 2DEG, AlGaAs/GaAs heterostructures mixers | ||||
| Abstract | The temperature and concentration dependences of the frequency bandwidth of terahertz heterodyne AlGaAs/GaAs detectors based on hot electron phenomena with phonon cooling of two-dimensional electrons have been measured by submillimeter spectroscopy with a high time resolution. At a temperature of 4.2 K, the frequency bandwidth at a level of 3 dB (f 3 dB) is varied from 150 to 250 MHz with a change in the concentration n s according to the power law f 3dB ∝ n −0.5 s due to the dominant contribution of piezoelectric phonon scattering. The minimum conversion loss of the semiconductor heterodyne detector is obtained in structures with a high carrier mobility (μ > 3 × 105 cm2 V−1 s−1 at 4.2 K). | ||||
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| ISSN | 1063-7826 | ISBN | Medium | ||
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| Notes | Полоса и потери преобразования полупроводникового смесителя с фононным каналом охлаждения двумерных электронов | Approved | no | ||
| Call Number | Serial | 1216 | |||
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| Author | Shangina, E. L.; Smirnov, K. V.; Morozov, D. V.; Kovalyuk, V. V.; Gol’tsman, G. N.; Verevkin, A. A.; Toropov, A. I. | ||||
| Title | Concentration dependence of the intermediate frequency bandwidth of submillimeter heterodyne AlGaAs/GaAs nanostructures | Type | Journal Article | ||
| Year |
2010 | Publication | Bull. Russ. Acad. Sci. Phys. | Abbreviated Journal | Bull. Russ. Acad. Sci. Phys. |
| Volume | 74 | Issue | 1 | Pages | 100-102 |
| Keywords | 2DEG AlGaAs/GaAs heterostructures, THz heterodyne detectors, IF bandwidth | ||||
| Abstract | The concentration dependence of the intermediate frequency bandwidth of heterodyne AlGaAs/GaAs detectors with 2D electron gas is measured using submillimeter spectroscopy with high time resolution at T= 4.2 K. The intermediate frequency bandwidth f3dBfalls from 245 to 145 MHz with increasing concentration of 2D electrons n s = (1.6-6.6) × 10[su11] cm-2. The dependence f3dB ≈ n s – 0.04±is observed in the studied concentration range; this dependence is determined by electron scattering by the deformation potential of acoustic phonons and piezoelectric scattering. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1062-8738 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Serial | 1217 | |||
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| Author | Maingault, L.; Tarkhov, M.; Florya, I.; Semenov, A.; Espiau de Lamaëstre, R.; Cavalier, P.; Gol’tsman, G.; Poizat, J.-P.; Villégier, J.-C. | ||||
| Title | Spectral dependency of superconducting single photon detectors | Type | Journal Article | ||
| Year |
2010 | Publication | J. Appl. Phys. | Abbreviated Journal | J. Appl. Phys. |
| Volume | 107 | Issue | 11 | Pages | 116103 (1 to 3) |
| Keywords | NbN SSPD, SNSPD | ||||
| Abstract | We investigate the effect of varying both incoming optical wavelength and width of NbN nanowires on the superconducting single photon detectors (SSPD) detection efficiency. The SSPD are current biased close to critical value and temperature fixed at 4.2 K, far from transition. The experimental results are found to verify with a good accuracy predictions based on the “hot spot model,” whose size scales with the absorbed photon energy. With larger optical power inducing multiphoton detection regime, the same scaling law remains valid, up to the three-photon regime. We demonstrate the validity of applying a limited number of measurements and using such a simple model to reasonably predict any SSPD behavior among a collection of nanowire device widths at different photon wavelengths. These results set the basis for designing efficient single photon detectors operating in the infrared (2–5 μm range). This work was supported by European projects FP6 STREP “SINPHONIA” (Contract No. NMP4-CT-2005-16433) and IP “QAP” (Contract No. 15848). |
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| ISSN | 0021-8979 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Serial | 1392 | |||
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| Author | Zinoni, C.; Alloing, B.; Li, L. H.; Marsili, F.; Fiore, A.; Lunghi, L.; Gerardino, A.; Vakhtomin, Y. B.; Smirnov, K. V.; Gol’tsman, G. N. | ||||
| Title | Erratum: “Single photon experiments at telecom wavelengths using nanowire superconducting detectors” [Appl. Phys. Lett. 91, 031106 (2007)] | Type | Journal Article | ||
| Year |
2010 | Publication | Appl. Phys. Lett. | Abbreviated Journal | Appl. Phys. Lett. |
| Volume | 96 | Issue | 8 | Pages | 089901 |
| Keywords | SSPD, SNSPD, erratum | ||||
| Abstract | A calculation error was made in the original publication of this letter. The error was in the calculation of the noise equivalent power (NEP) values for the avalanche photodiode detector (APD) and the superconducting single photon detector (SSPD), the incorrect values were plotted on the right axis in Fig. 1(b). The correct NEP values were calculated with the same equation reported in the original letter and the revised Fig. 1(b) is shown below. The other conclusions of the paper remain unaltered. | ||||
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| ISSN | 0003-6951 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Serial | 1395 | |||
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| Author | Meledin, Denis; Pavolotsky, Alexey; Desmaris, Vincent.; Lapkin, Igor; Risacher, Christophe; Perez, Victor; Henke, Douglas; Nystrom, Olle; Sundin, Erik; Dochev, Dimitar; Pantaleev, Miroslav; Fredrixon, Mathias; Strandberg, Magnus; Voronov, Boris; Goltsman, Gregory; Belitsky, Victor | ||||
| Title | A 1.3-THz balanced waveguide HEB mixer for the APEX telescope | Type | Journal Article | ||
| Year |
2009 | Publication | IEEE Trans. Microw. Theory Techn. | Abbreviated Journal | |
| Volume | 57 | Issue | 1 | Pages | 89-98 |
| Keywords | HEB, mixer, waveguide, balanced, NbN | ||||
| Abstract | In this paper, we report about the development, fabrication, and characterization of a balanced waveguide hot electron bolometer (HEB) receiver for the Atacama Pathfinder EXperiment telescope covering the frequency band of 1.25–1.39 THz. The receiver uses a quadrature balanced scheme and two HEB mixers, fabricated from 4- to 5-nm-thick NbN film deposited on crystalline quartz substrate with an MgO buffer layer in between. We employed a novel micromachining method to produce all-metal waveguide parts at submicrometer accuracy (the main-mode waveguide dimensions are 90×180 μm). We present details on the mixer design and measurement results, including receiver noise performance, stability and “first-light†at the telescope site. The receiver yields a double-sideband noise temperature averaged over the RF band below 1200 K, and outstanding stability with a spectroscopic Allan time more than 200 s. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0018-9480 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | RPLAB @ lobanovyury @ | Serial | 554 | ||
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| Author | Ryabchun, Sergey; Tong, Cheuk-Yu Edward; Blundell, Raymond; Gol'tsman, Gregory | ||||
| Title | Stabilization scheme for hot-electron bolometer receivers using microwave radiation | Type | Journal Article | ||
| Year |
2009 | Publication | IEEE Trans. Appl. Supercond. | Abbreviated Journal | IEEE Trans. Appl. Supercond. |
| Volume | 19 | Issue | 1 | Pages | 14-19 |
| Keywords | HEB, mixer, Allan variance, stabilization, radiometer equation | ||||
| Abstract | We present the results of a stabilization scheme for terahertz receivers based on NbN hot-electron bolometer (HEB) mixers that uses microwave radiation with a frequency much lower than the gap frequency of NbN to compensate for mixer current fluctuations. A feedback control loop, which actively controls the power level of the injected microwave radiation, has successfully been implemented to stabilize the operating point of the HEB mixer. This allows us to increase the receiver Allan time to 10 s and also improve the temperature resolution of the receiver by about 30% in the total power mode of operation. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1051-8223 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | RPLAB @ lobanovyury @ | Serial | 559 | ||
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| Author | Ryabchun, S. A.; Tretyakov, I. V.; Pentin, I. V.; Kaurova, N. S.; Seleznev, V. A.; Voronov, B. M.; Finkel, M. I.; Maslennikov, S. N.; Gol'tsman, G. N. | ||||
| Title | Low-noise wide-band hot-electron bolometer mixer based on an NbN film | Type | Journal Article | ||
| Year |
2009 | Publication | Radiophys. Quant. Electron. | Abbreviated Journal | |
| Volume | 52 | Issue | 8 | Pages | 576-582 |
| Keywords | HEB mixer, in-situ contacts, noise temperature, conversion gain bandwidth, diffusion cooling channel | ||||
| Abstract | We develop and study a hot-electron bolometer mixer made of a two-layer NbN–Au film in situ deposited on a silicon substrate. The double-sideband noise temperature of the mixer is 750 K at a frequency of 2.5 THz. The conversion efficiency measurements show that at the superconducting transition temperature, the intermediate-frequency bandwidth amounts to about 6.5 GHz for a mixer 0.112 μm long. These record-breaking characteristics are attributed to the improved contacts between a sensitive element and a helical antenna and are reached due to using the in situ deposition of NbN and Au layers at certain stages of the process. | ||||
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| Notes | Approved | no | |||
| Call Number | Serial | 599 | |||
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| Author | Рябчун, С. А.; Третьяков, И. В.; Пентин, И. В; Каурова, Н. С.; Селезнев, В. А; Воронов, Б. М.; Финкель, М. И.; Масленников, С. Н.; Гольцман, Г. Н. | ||||
| Title | Малошумящий широкополосный терагерцовый смеситель на эффекте электронного разогрева в плёнке NbN | Type | Journal Article | ||
| Year |
2009 | Publication | Известия высших учебных заведений. Радиофизика | Abbreviated Journal | |
| Volume | 52 | Issue | 8 | Pages | 641-648 |
| Keywords | HEB mixer, in-situ contacts, noise temperature, conversion gain bandwidth, diffusion cooling channel | ||||
| Abstract | Разработан и исследован смеситель на горячих электронах, изготовленный из двуслойной плёнки NbN-Au, осаждённой на кремневую подложку in situ. Двухполосная шумовая температура устройства составила 750 К на частоте 2.5 ТГц. Измерения эффективности преобразования для смесителя длиной 0.112 мкм вблизи температуры сверхпроводящего перехода показали полосу промежуточных частот около 6.5 ГГц. Эти результаты являются рекордными и были получены за счёт улучшения контактов между чувствительным элементом и спиральной антенной при замене технологического маршрута с нанесением слоёв NbN и Au в отдельных процессах на технологический процесс, в котором данные слои наносятся in situ без нарушения вакуума. | ||||
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| Notes | Approved | no | |||
| Call Number | Serial | 600 | |||
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| Author | Goltsman, G.; Korneev, A.; Divochiy, A.; Minaeva, O.; Tarkhov, M.; Kaurova, N.; Seleznev, V.; Voronov, B.; Okunev, O.; Antipov, A.; Smirnov, K.; Vachtomin, Yu.; Milostnaya, I.; Chulkova, G. | ||||
| Title | Ultrafast superconducting single-photon detector | Type | Journal Article | ||
| Year |
2009 | Publication | J. Modern Opt. | Abbreviated Journal | J. Modern Opt. |
| Volume | 56 | Issue | 15 | Pages | 1670-1680 |
| Keywords | SSPD, SNSPD | ||||
| Abstract | The state-of-the-art of the NbN nanowire superconducting single-photon detector technology (SSPD) is presented. The SSPDs exhibit excellent performance at 2 K temperature: 30% quantum efficiency from visible to infrared, negligible dark count rate, single-photon sensitivity up to 5.6 µm. The recent achievements in the development of GHz counting rate devices with photon-number resolving capability is presented. | ||||
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| ISSN | 0950-0340 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | RPLAB @ akorneev @ | Serial | 607 | ||
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