1. Alexander, M., 1977. Introduction to Soil Microbiology. Wiley, Toronto, 467 pp.
2. Dynamics of soil organic matter and corn residues affected by tillage practices;Angers;Soil Sci. Soc., Am. J.,1995
3. Atlas, R.M., Bartha, R., 1987. Microbial Ecology: Fundamentals and Applications. The Benjamin/Cummings, Menlo Park, CA, 533 pp.
4. Microbial diagnostics of peat soils on the basis of successive transformations of actinomyces complex;Babich;Eur. Soil Sci.,1996
5. Balows, A., Trüper, H.G., Dworkin, M., Harder, W., Schleifer, K.-H., 1992. The Prokaryotes. A Handbook on the Biology of Bacteria: Ecophysiology, Isolation, Identifications, Applications. Springer-Verlag, New York, 4126 pp.