@article{PismaZhETF.57.39,
    title = {Field ion microscopy of the polyphase structure of $YBa_2Cu_3O_{7-\delta}$},
    author = {Mikhailovskii, I. M. and Ksenofontov, V. A. and Sadanov, E. V. and Velikodnaya, O. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {57},
    issue = {1},
    pages = {39},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17728.shtml},
}