1. Soil respiration;Alef,1995
2. Physiological analysis of microbial communities in soil: applications and limitations;Anderson,1994
3. Hydrolysis of an organophosphate ester by manganese dioxide;Baldwin;Environmental Science and Technology,2001
4. DOK-Versuch: vergleichende Langzeit-Untersuchungen in den drei Anbausystemen biologisch-dynamisch, organisch-biologisch und konventionell. I. Konzeption des DOK-versuchs: 1. und 2. Fruchtfolge;Besson;Schweizerische Landwirtschaftliche Forschung,1991
5. Soil microbial biomass and mineralization of carbon and nitrogen in ecological, integrated and conventional forage;Breland;Biology and Fertility of Soils,1999