@article{PismaZhETF.14.98,
    title = {Transitions of Electrons Between Excited States of Donors in Germanium},
    author = {Gershenzon, E. M. and Gol'tsman, G. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {14},
    issue = {2},
    pages = {98},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24558.shtml},
}