“Extraction – sorption etraction of salicylic acid out of liquid environment using polyurethane foam, impregnated with organophosporus solvents” (2019) Sorbtsionnye i Khromatograficheskie Protsessy, 11(4). Available at: https://journals.vsu.ru/sorpchrom/article/view/1951 (Accessed: 4 April 2026).