@article{PismaZhETF.42.140,
    title = {Short-wave UV luminescence of $BaF_2$ crystals caused by crossover transitions},
    author = {Valbis, Ya. A. and Rachko, Z. A. and Yansons, Ya. L.},
    journal = {Письма в ЖЭТФ},
    volume = {42},
    issue = {4},
    pages = {140},
    year = {1985},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21568.shtml},
}