@article{PismaZhETF.50.323,
    title = {Observation of energy superstructure in lithium},
    author = {Kobzar', Yu. M. and Bodnar, N. N. and Kozych, V. Ya. and Kovtun, V. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {50},
    issue = {7},
    pages = {323},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17121.shtml},
}