type: book chapter

year: 1997

author: Grodzki W.

title: Changes in the occurrence of bark beetles on Norway spruce in a forest decline area in the Sudety Mountains in Poland.

book title: Proceedings of the IUFRO conference, Integrating cultural tactics into the management of bark beetles and reforestation pests, Vallombrosa 1-4 september 1996. USDA, Forest S.
editors: Gregoire J.-C., Liebhold A.M., Day K.R., Stephen F.M., Salom S.M.•pages: 105-111

short citation: Grodzki 1997a