@article{PismaZhETF.34.259,
    title = {Inelastic collision of terahertz.acoustic phonons in ruby crystals},
    author = {Basun, S. A. and Kaplyanskii, A. A. and Feofilov, S. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {34},
    issue = {5},
    pages = {259},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23198.shtml},
}