@article{PismaZhETF.7.464,
    title = {Mott Transition in the Exciton System in Germanium},
    author = {Asnin, V. M. and Rogachev, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {7},
    issue = {12},
    pages = {464},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25819.shtml},
}