@article{PismaZhETF.47.166,
    title = {Microwave absorption in $YBa_2Cu_30_{7-\delta}$ single crystals in a magnetic field},
    author = {Bogachev, S. V. and Emel'chenko, G. A. and Il'in, V. A. and Konnikov, S. G. and Kosogov, A. O. and Kosogov, O. V. and Tatarchenko, V. A. and Tret'yakov, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {47},
    issue = {3},
    pages = {166},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16484.shtml},
}