@article{PismaZhETF.10.261,
    title = {Critical Thickness of Iron Films},
    author = {Lazarev, B. G. and Kuz'menko, V. M. and Sudovtsov, A. I. and Mel'nikov, V. I.},
    journal = {Письма в ЖЭТФ},
    volume = {10},
    issue = {6},
    pages = {261},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25946.shtml},
}