@article{PismaZhETF.12.515,
    title = {Effect of Impurities on the Damping of Hypersonic Waves in Crystals},
    author = {Lemanov, V. V. and Avdonin, V. Ya. and Petrov, A. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {12},
    issue = {11},
    pages = {515},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26373.shtml},
}