Mihalciuc, V., L. Mircioiu, and M. Bujila. 1998. Regarding to infestation of the standing spruce trees with bark- and wood-boring insects. Pages 181-186 /nW. Grodzki, M. Knízek, and D. Forster (eds.), Methodology of forest insect and disease survey in Central Europe. Proceedings of the First Workshop of the IUFRO Working Party 7.03.10, April 21-24, 1998, Ustron-Jaszowiec, Poland. Instytut Badawczy Lesnictwa (Forest Research Institute), Warsaw, Poland.