@article{PismaZhETF.30.296,
    title = {Optical detection of double electron-nuclear resonance in isolated nuclei of $AI_2O_3$:$Cr^{3+}$ (0.02%)},
    author = {Kazanskii, S. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {30},
    issue = {5},
    pages = {296},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21749.shtml},
}