@InProceedings{Matsushima_etal1994, author="Matsushima, F. and Odashima, H. and Iwasaki, T. and Tsunekawa, S. and Takagi, K.", title="Frequency measurement of pure rotational transitions of H$_{2}$O from 0.5 to 5 THz", booktitle="Conference on precision electromagnetic measurements digest", year="1994", pages="23--24", abstract="Frequencies of H$_{2}$O pure rotational transitions from 0.5 to 5 THz have been measured with an accuracy of one part in 10$^{9}$ using a tunable far-infrared spectrometer. Measured frequencies of more than a hundred spectral lines provide an excellent wavelength and frequency calibration standard for the far infrared.", optnote="exported from refbase (https://db.rplab.ru/refbase/show.php?record=487), last updated on Tue, 25 May 2021 14:54:39 -0500" }