@article{PismaZhETF.2.507,
    title = {Phosphorescence and Band Structure of Ruby},
    author = {Morgenshtern, Z. L. and Neustruev, V. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {2},
    issue = {11},
    pages = {507},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24655.shtml},
}