@article{PismaZhETF.60.506,
    title = {Parametic x-radiation in a mosaic crystal of pyrolytic},
    author = {Amosov, K. Yu. and Andreyashkin, M. Yu. and Verzilov, V. A. and Vnukov, I. E. and Zabaev, V. N. and Kalinin, B. N. and Kaplin, V. V. and Kustov, D. V. and Naumenko, G. A. and Pivovarov, Yu. L. and Potylitsyn, A. P. and Rozum, E. I. and Uglov, S. R. and Moran, M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {60},
    issue = {7},
    pages = {506},
    year = {1994},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20383.shtml},
}