@article{PismaZhETF.20.472,
    title = {Transition of $SiO_2$ to the conducting state},
    author = {Vereshchagin, L. F. and Yakovlev, E. N. and Vinogradov, B. V. and Sakun, V. P. and Stepanov, G. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {20},
    issue = {7},
    pages = {472},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27314.shtml},
}