by J. M. Schmid
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Development of spruce-fir stands followi...
The spruce beetle
Incidence of western spruce budworm para...
Bark beetle emergence cages modified for...
Distribution of pandora moth egg masses ...
Guidelines for minimizing spruce beetle ...
Response of the engraver beetle, Ips Per...
Effect of ecosystem disturbance on diver...
The control of the destructive spruce ba...