@article{PismaZhETF.4.422,
    title = {Anomalies of Positron Annihilation in Ionic Crystals},
    author = {Gol'danskii, V. I. and Prokop'ev, E. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {4},
    issue = {10},
    pages = {422},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25056.shtml},
}