@article{PismaZhETF.19.687,
    title = {Temperature shift of EPR line in exchange-coupled spin groups},
    author = {Stryukov, V. B. and Fedotin, D. N. and Zvarykina, A. V.},
    journal = {Письма в ЖЭТФ},
    volume = {19},
    issue = {11},
    pages = {687},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27122.shtml},
}