@article{PismaZhETF.8.15,
    title = { Role of Exciton States in the process of Photocurrent Formation in Germanium},
    author = {Novikov, B. V. and Gross, E. F. and Drygin, M. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {8},
    issue = {1},
    pages = {15},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25849.shtml},
}