1. Chelate-forming resins;Schmuckler,1976
2. Chelating resins;Vernon;Chem. Ind. (London),1977
3. Celanese R&D Product Information: PBI Microporous Resins (Issued November 1984); Typical Applications for Celanese PBI Microporous Resins (issued January 1985), Celanese Corporation, Charlotte, NC 28232.
4. Sorption of precious metals by polybenzimidazole protonated with mercaptoacetic acid. I. Copper, silver and gold;Chanda;Reactive Polym.,1987
5. Sorption of precious metals by polybenzimidazole protonated with mercaptoacetic acid. II. Mercury;Chanda;Reactive Polym.,1987