@article{PismaZhETF.22.313,
    title = {Precision measurements of the infrared Zeeman spectrum of methane with a ring laser},
    author = {Danileiko, M. V. and Kozubovskii, V. R. and Nedavnii, A. P. and Shpak, M. T.},
    journal = {Письма в ЖЭТФ},
    volume = {22},
    issue = {5},
    pages = {313},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23328.shtml},
}