@article{PismaZhETF.30.631,
    title = {Five-minute pulsation of hard gamma radiation intensity in the atmosphere},
    author = {Gal'per, A. M. and Kirilov-Ugryumov, V. G. and Kurochkin, A. V. and Leikov, N. G. and Luchkov, B. I.},
    journal = {Письма в ЖЭТФ},
    volume = {30},
    issue = {9},
    pages = {631},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20714.shtml},
}