TY - GEN A1 - Bens, Oliver A1 - Buczko, Uwe A1 - Sieber, Sonja A1 - Hüttl, Reinhard F. T1 - Spatial variability of O layer thickness and humus forms under different pine beech-forest transformation stages in NE Germany T2 - Journal of Plant Nutrition and Soil Science Y1 - 2006 U6 - https://doi.org/10.1002/jpln.200521734 SN - 1522-2624 VL - 169 IS - 1 SP - 5 EP - 15 ER -