@article{PismaZhETF.46.422,
    title = {External x-ray photoelectric effect in negative-electron-affinity cathodes},
    author = {Shchemelev, V. N. and Stuchinskii, G. B. and Andrushchenko, A. L. and Klimin, A. I. and Chevokin, V. K. and Prokhorov, A. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {46},
    issue = {11},
    pages = {422},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18633.shtml},
}