1. Kinetic and Activity Parameters of Anaerobic Fermentation Systems;Agardy,1963
2. DNA—a rational basis for digester loadings;Agardy;J. Wat. Pollut. Control Fed.,1965
3. Principles of Microbial Ecology;Brock,1960
4. The approach to numerical description of microbial populations;Gyllenberg;Ann. Acad. Sci. fenn. IVA,1964
5. Modern Factor Analysis;Harman,1960