@article{PismaZhETF.8.235, title = {Unusual Hydrogen Isotopic Effect in Crystals of Sodium Hydroselenite. Phase Diagram of the System Na($D_xH_{1-x})_3(SeO_3)_2$}, author = {Shuvalov, L. A. and Ivanov, N. R. and Kirpichnikova, L. F. and Shchagina, N. M.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {8}, issue = {5}, pages = {235}, year = {1968}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25984.shtml}, }