MĂICĂNEANU, A. . and BEDELEAN, H. . (2020) “Na+ - NH4+ CATION EXCHANGE STUDY ON TREATED ZEOLITIC VOLCANIC TUFF IN FIXED BED COLUMN”, Studia Universitatis Babeș-Bolyai Chemia, 65(3), pp. 89–100. doi: 10.24193/subbchem.2020.3.07.