@article{PismaZhETF.20.706,
    title = {Electron paramagnetic resonance in frozen solutions of sodium in ammonia},
    author = {Vinogradova, A. B. and Garifullin, I. A. and Zamaleev, L. G. and Kozyrev, B. M. and Kharakhash'yan, E. G. and Cherkasov, F. G.},
    journal = {Письма в ЖЭТФ},
    volume = {20},
    issue = {11},
    pages = {706},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27390.shtml},
}