@article{PismaZhETF.2.344,
    title = {Splitting of EPR Lines of $Cr^{3+}$ in $ZnWO_4$ by an External Electric Field},
    author = {Bugai, A. A. and Levkovskii, P. T. and Maksimenko, V. M. and Pashovskii, M. V. and Roitsin, A. B.},
    journal = {Письма в ЖЭТФ},
    volume = {2},
    issue = {7},
    pages = {344},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24611.shtml},
}