TY - JOUR A1 - Keplin, Beate A1 - Hüttl, Reinhard F. T1 - Decomposition of root litter in Pinus sylvestris L. and Pinus nigra szands on carboniferous substrates in the Lusatian lignite-mining district Y1 - 2003 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/1277 ER -