1. : Factors Limiting Algal Growth in High-Rate Oxidation Ponds In: Algae Biomass: Production and Use. ( eds.). Amsterdam: Elsevier Holland Biomed. Press, 1980, 205-215.
2. : Removing ammonia, hydrogen sulphide, and organic compounds from waste water by catalytic oxidation in the presence of oxygen. CS 196976 B, (1978).