%0 Journal Article %T Observation of the free-exciton spectrum at submillimeter wavelengths %A Gershenzon, E. M. %A Gol'tsman, G. N. %A Ptitsina, N. G. %J JETP Lett. %D 1972 %V 16 %N 4 %F Gershenzon_etal1972 %O exported from refbase (https://db.rplab.ru/refbase/show.php?record=1736), last updated on Sun, 30 May 2021 12:26:30 -0500 %K Ge %K energy spectrum %K free excitons %U http://jetpletters.ru/ps/1760/article_26807.shtml %P 161-162