1. New approach to bacterial kinetics in wastewater;Andrews;J. envir. Engng Div. Am. Soc. civ. Engrs,1977
2. Standard Methods for Examination of Water and Wastewater;APHA,1985
3. Biological Process Design in Wastewater Treatment;Benefield,1980
4. Protein recovery from waste activated sludge;Carberry,1978
5. Autothermal thermophilic aerobic digestion in the Federal Republic of Germany;Deeny,1984