1. 1986. Biochemical engineering fundamentals. 2nd edition. McGraw-Hill, New York.
2. Steam distillation methods for determination of ammonium, nitrate and nitrite
3. 1992. Biological treatment of waste gases containing poorly-water-soluble pollutants, pp. 135-140. In: and (eds.), Biotechniques for air pollution abatement and odour control policies. Elsevier, Amsterdam.
4. Oxidation of ethylene by soil bacteria
5. 1992. Opening address, pp. 3-9. In: and (eds.), Biotechniques for air pollution abatement and odour control policies. Elsevier, Amsterdam.