@article{PismaZhETF.15.516,
    title = {Anisotropy of Surface Superconductivity of Lead Single Crystals},
    author = {Krasnopolin, I. Ya. and Raj Rup,  and Khaikin, M. S.},
    journal = {Письма в ЖЭТФ},
    volume = {15},
    issue = {9},
    pages = {516},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26646.shtml},
}