@article{PismaZhETF.19.557,
    title = {Low-temperature ($212^\circ$K) phase transition in Rochelle salt},
    author = {Ushatkin, E. F. and Meriakri, V. V. and Poplavko, Yu. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {19},
    issue = {9},
    pages = {557},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27084.shtml},
}