@article{PismaZhETF.20.251,
    title = {Selective relaxation of long-lived states of metal atoms in a gas-discharge plasma. Stationary generation of $^1P_1^0-^0D_2$ transitions of calcium and strontium},
    author = {Klimkin, V. M. and Monastyrev, S. S. and Prokop'ev, V. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {20},
    issue = {4},
    pages = {251},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27242.shtml},
}