@article{PismaZhETF.6.849,
    title = {Spectra of Calcium Ions Ca XV and Ca XVI Obtained by Focusing Laser Emission on a Target},
    author = {Basov, N. G. and Boiko, V. A. and Voinov, Yu. P. and Kononov, E. Ya. and Mandel'shtam, S. L. and Sklizkov, G. V.},
    journal = {Письма в ЖЭТФ},
    volume = {6},
    issue = {9},
    pages = {849},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25509.shtml},
}