@article{PismaZhETF.4.373,
    title = {Resonance Absorption of the $V^{3+}$ Ion in Corundum at 1.21 mm Wavelength},
    author = {Vinogradov, E. A. and Irisova, N. A. and Mandel'shtam, T. S. and Prokhorov, A. M. and Shmaonov, T. A.},
    journal = {Письма в ЖЭТФ},
    volume = {4},
    issue = {9},
    pages = {373},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25040.shtml},
}