1. Ion Exchange;Helfferich,1962
2. Ion exchane and absorbent technology in the petrochemical industry. Ion exchange processing of petrochemicals;Carlyle;Chem. Ind. (London),1982
3. Use of expanded resin bed in the MTBE synthesis process;Convers;Chem. Ind. (London),1982
4. Sulphonic acid cation-exchangers as catalysts in the refining of phenol and aromatic hydrocarbons;Zieborak;Chem. Ind. (London),1982
5. Naked anions—Phase transfer;Makosza,1976