@article{PismaZhETF.52.1138,
    title = {Acoustoelectric effect of superconducting $YBa_2Cu_3O_{7-x}$ films},
    author = {Ilisavskii, Yu. I. and Yakhkund, E. Z. and Gol'man, E. K. and Mitrofanov, A. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {10},
    pages = {1138},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17557.shtml},
}