Canadian Forest Service Publications
A sampling technique for estimating numerical trends in larval populations of insect defoliators on conifers. I. Development and experimental evaluation of the technique. 1973. DeBoo, R.F.; Campbell, L.M.; Copeman, A.G. Phytoprotection 54(1):9-22.
Issued by: Great Lakes Forestry Centre
Catalog ID: 35519
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