@article{PismaZhETF.6.668,
    title = {Change Produced in Phonon Spectrum of Lead by Lattice Distortion},
    author = {Zavaritskii, N. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {6},
    issue = {5},
    pages = {668},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25451.shtml},
}