@article{PismaZhETF.52.1046,
    title = {Deep and shallow acceptor levels in solid solutions of lead and tin chalcogenides, $Pb_{0.92}Sn_{0.08}S_{0.8}Se_{0.2}$},
    author = {Garasim, V. I. and Zayachuk, D. M.},
    journal = {Письма в ЖЭТФ},
    volume = {52},
    issue = {8},
    pages = {1046},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17532.shtml},
}