@article{PismaZhETF.14.281,
    title = {Binding Energy of a Carrier with a Neutral Impurity Atom in Germanium and in Silicon},
    author = {Gershenzon, E. I. and Gol'tsman, G. N. and Mel'nikov, A. P.},
    journal = {Письма в ЖЭТФ},
    volume = {14},
    issue = {5},
    pages = {281},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24881.shtml},
}