@article{PismaZhETF.22.103,
    title = {Stabilization of a ruby laser using an He-Ne laser as a frequency reference},
    author = {Bondarenko, A. N. and Kruglov, S. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {22},
    issue = {2},
    pages = {103},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23267.shtml},
}