@article{PismaZhETF.25.361,
    title = {Change of connectivity of the electron equal-energy surface of Bi under pressure},
    author = {Brandt, N. B. and Moshchalkov, V. V. and Chudinov, S. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {25},
    issue = {8},
    pages = {361},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21427.shtml},
}