RT Journal Article SR Electronic T1 Ecosystems and Soil Nitrogen: A Critical Interaction Identified JF Ecological Restoration FD University of Wisconsin Press SP 9 OP 10 DO 10.3368/er.1.2.9 VO 1 IS 2 A1 Nadelhoffer, Knute J. A1 Aber, John D. YR 1983 UL http://er.uwpress.org/content/1/2/9.abstract AB