1. OECD Guidelines for Testing Chemicals;OECD,1993
2. Water quality - Evaluation of the elimination and biodegradability of organic compounds in an aqueous medium - Activated Sludge Simulation Test;ISO method 11733,1995
3. Activated Sludge Model No. 2;Henze;IAWQ Scientific and Technical Report No. 3,1995
4. Comparison of activated sludge microbial communities using BiologTM microplates;Kaiser,1997
5. Algemene Voedingsleer;Hendericks,1991