Canadian Forest Service Publications
Frass failure and pupation failure as quantal measurements of_ Bacillus thuringiensis_ toxicity to Lepidoptera. 1991. van Frankenhuyzen, K.; Gringorten, J.L. Journal of Invertebrate Pathology 58: 465-467.
Available from: Great Lakes Forestry Centre
Catalog ID: 22637
CFS Availability: PDF (request by e-mail)
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