@article{PismaZhETF.25.574,
    title = {Carrier lifetime in excited states of shallow impurities in germanium},
    author = {Gershenzon, E. M. and Gol'tsman, G. N. and Ptitsyna, N. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {25},
    issue = {12},
    pages = {574},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21490.shtml},
}