C. Schäfers

GeoRisk - Geodata based Probabilistic Risk Assessment of Plant Protection Products, Final Report, UBA Project code 3707 63 4001

Matthias Trapp, Hans-Toni Ratte, André Gergs, 2010 .

GeoRisk: further advancements in the development of a spatial approach for the assessment and management of environmental risks of plant protection products in Germany

Matthias Trapp, Hans-Toni Ratte, André Gergs, 2010 .

Community-level aquatic system studies - interpretation criteria

Fred Heimbach, M. Streloke, C. Schäfers, 2002 .