@article{PismaZhETF.50.466,
    title = {Forbidden fivefold symmetry in boron nitride},
    author = {Lopatin, V. V. and Ivanov, Yu. F.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {50},
    issue = {11},
    pages = {466},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17160.shtml},
}