@article{PismaZhETF.6.954,
    title = {Current Oscillations in n-Ge Doped with Manganese},
    author = {Karpova, I. V. and Kalashnikov, S. G.},
    journal = {Письма в ЖЭТФ},
    volume = {6},
    issue = {11},
    pages = {954},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25544.shtml},
}