Efimova, Natalya V., and Alla P. Krasnopyorova. 2012. “Two-Phase Aqueous Systems of Polypropylene Glycol-425 and Inorganic Salts”. Kharkiv University Bulletin. Chemical Series, no. 21 (December), 185-91. https://doi.org/10.26565/2220-637X-2012-21-16.