Citation: R. Rohrig et al., TILLAGE SYSTEMS AND SOIL COMPACTION - THEIR IMPACT ON ABUNDANCE AND VERTICAL-DISTRIBUTION OF ENCHYTRAEIDAE, Soil & tillage research, 46(1-2), 1998, pp. 117-127
Citation: S. Schrader et al., IMPACT OF COLLEMBOLA AND ENCHYTRAEIDAE ON SOIL SURFACE-ROUGHNESS AND PROPERTIES, Biology and fertility of soils, 25(4), 1997, pp. 396-400
Citation: M. Langmaack et G. Schrader, MICROHABITAT ANALYSIS OF 3 FEN-GRASSLAND GRASSHOPPER SPECIES (ACRIDIDAE, GOMPHOCERINAE), Entomologia generalis, 22(1), 1997, pp. 45-55