@article{PismaZhETF.7.409,
    title = {Energy Spectrum and Angular Distribution of the Penetrating Cosmic-ray Component at Mountain Altitudes},
    author = {Erlykin, A. D. and Kulichenko, A. K. and Nikol'skii, S. I.},
    journal = {Письма в ЖЭТФ},
    volume = {7},
    issue = {11},
    pages = {409},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25803.shtml},
}