@article{PismaZhETF.2.414,
    title = {Concentration and Temperature Dependences of the Spin-lattice Relaxation Times in Ruby at Helium Temperatures. Relaxation in Zero Magnetic Field},
    author = {Manenkov, A. A. and Danileiko, Yu. K.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {2},
    issue = {9},
    pages = {414},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24629.shtml},
}