@article{PismaZhETF.17.233,
    title = {Surface  Impedance of Bismuth   at Large  Electromagnetic-wave Amplitudes},
    author = {Dolgopolov, V. T. and Margolin, L. Ya.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {17},
    issue = {5},
    pages = {233},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23547.shtml},
}