@article{PismaZhETF.46.469,
    title = {Liquid-nitrogen-temperature superconductor magnetometer},
    author = {Zavaritskii, N. B. and Zavaritski, V. N. and Petrov, S. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {46},
    issue = {11},
    pages = {469},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18650.shtml},
}