@article{PismaZhETF.11.3,
    title = {Simple Method of Observing Axial and Interplanar Channeling},
    author = {Skvortsov, V. V. and Bogdanovskaya, I. P.},
    journal = {Письма в ЖЭТФ},
    volume = {11},
    issue = {1},
    pages = {3},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26040.shtml},
}