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. Knížek, & W. Grodzki (Eds.), Methodology of forest insect and disease survey in Central Europe. Proceedings of the second workshop of the IUFRO working party 7.03.10. April 20-23, 1999, Sion-Châteauneuf, Switzerland (pp. 215-220). Swiss Federal Institute for Forest, Snow and Landscape Research.