@article{PismaZhETF.12.220,
    title = {Quadrupole Broadening of the Mossbauer Line of $Fe^{57}$ in Deformed Copper},
    author = {Lagunov, V. A. and Polozenko, V. I. and Stepanov, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {12},
    issue = {5},
    pages = {220},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26305.shtml},
}