@article{PismaZhETF.20.292,
    title = {Reproducibility of the frequency of an He-Ne laser with a methane absorbing cell},
    author = {Bagaev, S. N. and Baklanov, E. V. and Titov, E. A. and Chebotaev, V. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {20},
    issue = {5},
    pages = {292},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27253.shtml},
}