@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 = {πΙΣΨΝΑ Χ φότζ}, volume = {52}, issue = {8}, pages = {1046}, year = {1990}, doi = {}, url = {http://jetpletters.ru/ps/0/article_17532.shtml}, }