@misc{SchaafZech2005, author = {Wolfgang Schaaf and Wolfgang Zech}, title = {Element turnover in a heavily damaged Norway spruce ecosystem influenced by N deposition}, url = {https://link.springer.com/article/10.1007/BF00029098}, institution = {FG Bodenschutz und Rekultivierung}, type = {articlenr}, pages = {277 -- 285}, year = {2005}, }