@article{PismaZhETF.6.578,
    title = {Confirmation of Existence of Spin-spin Interaction Temperature in EPR},
    author = {Atsarkin,  and Morshnev, S. K.},
    journal = {Письма в ЖЭТФ},
    volume = {6},
    issue = {4},
    pages = {578},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25334.shtml},
}