@article{PismaZhETF.4.100,
    title = {Infrared and Microwave Absorption in Ionic Crystals at High Power Levels},
    author = {Fain, V. M.},
    journal = {Письма в ЖЭТФ},
    volume = {4},
    issue = {3},
    pages = {100},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24842.shtml},
}