@article{PismaZhETF.61.75,
    title = {Extension of the range of microwave spectroscopy to 1.5 THz},
    author = {Tret'yakov, M. Yu. and Krupnov, A. F. and Volokhov, S. A.},
    journal = {Письма в ЖЭТФ},
    volume = {61},
    issue = {1},
    pages = {75},
    year = {1995},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18056.shtml},
}