@article{PismaZhETF.50.133,
    title = {Anomalies on temperature dependence of nuclear relaxation of $^{63}Cu$ nuclei in $YBa_2Cu_3O_{7-x}$},
    author = {Bondar', A. V. and Ryabchenko, S. M. and Fedotov, Yu. V. and Motuz, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {50},
    issue = {3},
    pages = {133},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17064.shtml},
}