@article{PismaZhETF.27.20,
    title = {Long-wave IR spectrum of $CoCO_3$ - high-frequency mode of antiferromagnetic resonance (AFMR) and two-magnon absorption},
    author = {Naumenko, V. M. and Eremenko, V. V. and Maslennikov, A. I. and Kovalenko, A. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {27},
    issue = {1},
    pages = {20},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23626.shtml},
}