@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 = {πΙΣΨΝΑ Χ φότζ}, volume = {22}, issue = {5}, pages = {313}, year = {1975}, doi = {}, url = {http://jetpletters.ru/ps/0/article_23328.shtml}, }