@article{PismaZhETF.15.63,
    title = {Tunneling of Dislocations},
    author = {Petukhov, B. V. and Pokrovskii, V. L.},
    journal = {Письма в ЖЭТФ},
    volume = {15},
    issue = {1},
    pages = {63},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26488.shtml},
}