@article{PismaZhETF.14.9,
    title = {Photoconductivity of Germanium in a High-frequency Electric Field},
    author = {Romanov, V. A. and Zhad'ko, I. P. and Serdega, B. K. and Svyatogor, L. V.},
    journal = {Письма в ЖЭТФ},
    volume = {14},
    issue = {1},
    pages = {9},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24389.shtml},
}