@article{PismaZhETF.49.,
    title = {Metamagnetism of $Er_2Cu_2O_5$},
    author = {Zoubkova, Ya. and Kazei, Z. A. and Levitin, R. Z. and Mill', B. V. and Moshchalkov, V. V. and Snegirev, V. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {49},
    issue = {9},
    pages = {},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16974.shtml},
}