@article{PismaZhETF.24.492,
    title = {Structure of energy spectrum of $Na^+$ ions scattered by a polycrystalline silver surface},
    author = {Terzic, I. and Ciric, D. and Perovic, B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {24},
    issue = {9},
    pages = {492},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27756.shtml},
}