@article{PismaZhETF.12.259,
    title = {Kinetic Properties of Excitons and Germanium Photoconductivity Spectra},
    author = {Gross, E. F. and Il'inskii, A. V. and Novikov, B. V. and Sokolov, N. S.},
    journal = {Письма в ЖЭТФ},
    volume = {12},
    issue = {5},
    pages = {259},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26317.shtml},
}