@article{PismaZhETF.49.317,
    title = {High-energy anti-Stokes emission from zinc sulfide single crystals},
    author = {Ushakov, Yu. V. and Fok, M. V.},
    journal = {Письма в ЖЭТФ},
    volume = {49},
    issue = {6},
    pages = {317},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16911.shtml},
}