Vlasovskih, N.S., Khamizov, S.K., Khamizov, R.K., Krachak, A.N., Gruzdeva, A.N., Tsikin, M.N. and Dolgov, V.V. 2019. Extraction of impurities: REM and other metals, from phosphoric acid. Sorbtsionnye i Khromatograficheskie Protsessy. 13, 5 (Nov. 2019).