@article{PismaZhETF.9.400,
    title = {Antiferomagnetic Resonance in $NiCl_2$},
    author = {Kostryukova, M. O. and Kashirskaya, L. M.},
    journal = {Письма в ЖЭТФ},
    volume = {9},
    issue = {7},
    pages = {400},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25373.shtml},
}