@article{PismaZhETF.32.472,
    title = {Cross sections and characteristics of electron scattering by calcium, strontium, and barium atoms},
    author = {Romanyuk, N. I. and Shpenik, O. B. and Zapesochnyi, I. P.},
    journal = {Письма в ЖЭТФ},
    volume = {32},
    issue = {7},
    pages = {472},
    year = {1980},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21772.shtml},
}