@article{PismaZhETF.18.285,
    title = {Microwave gas spectroscopy in the 200 - 870 GHz range},
    author = {Belov, S. P. and Burenin, A. V. and Gershtein, L. I. and Kazakov, V. P. and Karyakin, E. N. and Krupnov, A. F.},
    journal = {Письма в ЖЭТФ},
    volume = {18},
    issue = {5},
    pages = {285},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23924.shtml},
}