@article{PismaZhETF.49.293,
    title = {Point-contact measurements of the energy gap of lead-chalcogenide-based superconducting superlattices},
    author = {Yanson, I. K. and Bobrov, N. L. and Rybal'chenko, L. F. and Fisun, V. V. and Mironov, O. A. and Chistyakov, S. V. and Sipatov, A. Yu. and Fedorenko, A. I.},
    journal = {Письма в ЖЭТФ},
    volume = {49},
    issue = {5},
    pages = {293},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16905.shtml},
}