@article{PismaZhETF.1.18,
    title = {Mixed electron-nuclear resonance in antiferromagnetic $MnCO_3$},
    author = {Borovik-Romanov, A. S. and Tulin, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {1},
    issue = {5},
    pages = {18},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24425.shtml},
}