@article{PismaZhETF.54.493,
    title = {Observation of parametric x-ray emission by protons},
    author = {Afanasenko, V. P. and Baryshevskii, V. G. and Zuevskii, R. F. and Lobko, A. S. and Moskatel'nikov, A. A. and Panov, V. V. and Potsiluiko, V. P. and Skorokhod, S. V. and Shvarkov, D. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {54},
    issue = {9},
    pages = {493},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19135.shtml},
}