@article{PismaZhETF.23.110, title = {Infrared probing of a large electron-hole drop in germanium}, author = {Pokrovskii, Ya. E. and Svistunova, K. I.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {23}, issue = {2}, pages = {110}, year = {1976}, doi = {}, url = {http://jetpletters.ru/ps/0/article_27438.shtml}, }