Trends of the sessile oak decline in north-eastern Hungary
Csóka G, Tóth J & Koltay A
Csóka, G., Tóth, J., & Koltay, A. (1999). Trends of the sessile oak decline in north-eastern Hungary. 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. 48-53). Swiss Federal Institute for Forest, Snow and Landscape Research.