TY  - BOOK
AU  - Safranyik,L.
AU  - Barclay,H.J.
AU  - Simmons,C.S.
ED  - Pacific Forestry Centre.
TI  - A conceptual model of spruce beetle population dynamics
T2  - Information report / Pacific Forestry Centre,
SN  - 0662174615
PY  - 1990///
CY  - Victoria, British Columbia
PB  - Forestry Canada, Pacific and Yukon Region, Pacific Forestry Centre
N1  - Includes abstract in French
ER  -