@incollection{KaupenjohannSchaafZech2005, author = {Martin Kaupenjohann and Wolfgang Schaaf and Wolfgang Zech}, title = {Decline of Norway spruce in NE-Bavaria, FRG}, booktitle = {Responses of forest ecosystems to environmental changes, proceedings of the First European Symposium on Terrestrial Ecosystems: Forests and Woodlands, held at Florence, Italy, 20 - 24 May 1991}, editor = {Anne Teller}, isbn = {1-85166-878-0}, year = {2005}, }