1. Standard methods for the examination of water and wastewater;APHA,1989
2. Dynamics of carbon reserves in biological dephosphatation of wastewater;Comeau,1987
3. The phenomenon of simultaneous phosphate uptake and release, and its importance in biological nutrient removal;Gerber,1987
4. New configuration of NDEBPR system-Experimental verification with municipal wastewater;Jeníček;Newsletter of the IAWQ Specilaist Group on Activated Sludge Population Dynamics,1993
5. Polyphosphate Accumulation among Denitrifying Bacteria in Activated Sludge;Joergensen;Anaerobe,1995