Citation: Ri. Gara et al., ARTHROPOD ASSOCIATES OF THE SPRUCE BEETLE DENDROCTONUS-RUFIPENNIS (KIRBY) (COL, SCOLYTIDAE) IN SPRUCE STANDS OF SOUTH-CENTRAL AND INTERIOR ALASKA, Journal of applied entomology, 119(9), 1995, pp. 585-590
Citation: Me. Krasny et Mc. Whitmore, GRADUAL AND SUDDEN FOREST CANOPY GAPS IN ALLEGHENY NORTHERN HARDWOOD FORESTS, Canadian journal of forest research, 22(2), 1992, pp. 139-143