Relating Defoliation and its Causes to Premature Tree Mortality

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Dobbertin, M. (1999). Relating Defoliation and its Causes to Premature Tree Mortality. In B. Forster, M. Knizek, & W. Grodzki (Eds.), Methodology of Forest Insect and Disease Survey in Central Europe. Proceedings (pp. 215-220). Swiss Federal Institute for Forest, Snow and Landscape Research.