1. Biodegradation of organic chemicals
2. ASTM. 1982. ASTM D4129-82. Standard methods for total and organic carbon in water oxidation by coulometric detection. ASTM, Philadelphia, P A.
3. 1974. Nonlinear parameter estimation. Academic Press, Reading, M. A.
4. Models of Microbial Interactions in the Soil
5. 1994. Statistics for environmental engineers. Lewis Publisher Boca Raton, FI, pp. 201–211.