@article{PismaZhETF.33.590,
    title = {Cross section for binding of free carriers into excitons in germanium},
    author = {Gershenzon, E. M. and Gol'tsman, G. N. and Multanovskii, V. V. and Ptitsina, N. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {33},
    issue = {11},
    pages = {590},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23089.shtml},
}