Trends of the Sessile Oak Decline in North-Eastern Hungary

Csóka G, Tóth J & Koltay A
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Csóka, G., Tóth, J., & Koltay, A. (1999). Trends of the Sessile Oak Decline in North-Eastern Hungary. In B. Forster, M. Knizek, & W. Grodzki (Eds.), Methodology of Forest Insect and Disease Survey in Central Europe. Proceedings (pp. 48-53). Swiss Federal Institute for Forest, Snow and Landscape Research.