@article{PismaZhETF.41.16,
    title = {Observation of a soft optical phonon in Rochelle salt},
    author = {Volkov, A. A. and Goncharov, Yu. G. and Kozlov, G. V. and Kryukova, E. B. and Petzelt, J.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {41},
    issue = {1},
    pages = {16},
    year = {1985},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21902.shtml},
}