@article{PismaZhETF.49.232,
    title = {Channeling of helium ions in $PrBa_2Cu_3O_{7-\delta}$ single crystals},
    author = {Burdel', K. K. and Voronkova, V. I. and Moshchalkov, V. V. and Polishchuk, I. E. and Tulinov, A. F. and Chechenin, N. G. and Yanovskii, V. K.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {49},
    issue = {4},
    pages = {232},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16886.shtml},
}