@article{PismaZhETF.48.137,
    title = {Nature of anomalous x-ray reflection from a surface},
    author = {Gorodnichev, E. E. and Dudarev, S. L. and Rogozkin, D. B. and Ryazanov, M. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {48},
    issue = {3},
    pages = {137},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16663.shtml},
}