@article{PismaZhETF.10.240,
    title = {Electron Nuclear Double Magnetoacoustic Resonance and Cr $^{3+} -Al^{27}$ Interaction in Ruby},
    author = {Kolenishchev-Kutuzov, V. A. and Kopvillem, U. Kh. and Shamukov, N. A.},
    journal = {Письма в ЖЭТФ},
    volume = {10},
    issue = {6},
    pages = {240},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25941.shtml},
}