@article{PismaZhETF.49.446,
    title = {Models for quadrupole-resonance centers of copper nuclei in $YBa_2Cu_3O_{7-\delta}$},
    author = {Eremin, M. V. and Graboi, I. E. and Egorov, A. V. and Naletov, V. V. and Tagirov, M. S. and Teplov, M. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {49},
    issue = {8},
    pages = {446},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16950.shtml},
}