1. Use of dispersed flow model in designing waste treatment units;Arceivala;Advanced Study Institute, Theory and Practice of Biological Waste Water Treatment, Istanbul,1976
2. Continuous flow systems, F-diagrams, age distribution functions;Dankwerts;Chem. Eng. Sci.,1953
3. Closure of trickling filter design and performance;Eckenfelder;J. sanit. Engng Div. Am. Soc. Civ. Engrs,1963
4. Kinetics in trickling filters;Howland,1960