@article{PismaZhETF.30.275,
    title = {Anisotropic capture of $29-cm^{-1}$ phonons in a ruby},
    author = {Basun, S. A. and Kaplyanskii, A. A. and Shekhtman, V. L.},
    journal = {Письма в ЖЭТФ},
    volume = {30},
    issue = {5},
    pages = {275},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21743.shtml},
}