Forecast and Control of the Spruce Web-Spinning Sawfly (Cephalcia abietis L.) in the Beskidy Mountains in Poland in 1998

Jachym M
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Jachym, M. (1999). Forecast and Control of the Spruce Web-Spinning Sawfly (Cephalcia abietis L.) in the Beskidy Mountains in Poland in 1998. In B. Forster, M. Knizek, & W. Grodzki (Eds.), Methodology of Forest Insect and Disease Survey in Central Europe. Proceedings (pp. 164-167). Swiss Federal Institute for Forest, Snow and Landscape Research.