@article{PismaZhETF.50.15,
    title = {Double 4f collapse in Се$_{0.9}Yb_xTh_{0.1}$},
    author = {Smirnov, Yu. P. and Sovestnov, A. E. and Terekhov, G. I. and Tyunis, A. V. and Shaburov, V. A.},
    journal = {Письма в ЖЭТФ},
    volume = {50},
    issue = {1},
    pages = {15},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17028.shtml},
}