1. Zeolite removal of ammonium ions from agricultural and other wastewaters;Ames,1967
2. Thermochemistry and thermodynamics of ion exchange in a near faujasite;Barrer;J. Inorg. Nucl. Chem.,1966
3. Zeolite exchangers, thermo-dynamic treatment when not all ions are exchangeable;Barrer;J. Chem. Soc., Faraday Trans. II,1973
4. Ammonia removal from wastewaters;Cridland,1979
5. Ammonium ion removal from dilute solutions and fish culture water by ion-exchange;Dryden,1984