@article{PismaZhETF.4.220,
    title = {Proof of the Existence of Two Sharply Distinct Ferroelectric Phases in $NaH_3(SeO_3)_2$},
    author = {Ivanov, N. R. and Shuvalov, L. A. and Fedosyuk, R. M. and Pluzhnikov, K. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {4},
    issue = {6},
    pages = {220},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24877.shtml},
}