@article{PismaZhETF.13.675, title = {Vacancy-donor Complexes in Germanium}, author = {Emtsev, V. V. and Mashovets, T. V.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {13}, issue = {12}, pages = {675}, year = {1971}, doi = {}, url = {http://jetpletters.ru/ps/0/article_24370.shtml}, }