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  1. Review of Bacillus thuringiensis var. kurstaki (Btk) for use in forest pest management programs of Ontario - with special emphasis on the aquatic environment / by G.A. Surgeoner and M.J. Farkas.
    By: Surgeoner, Gordon A. - Farkas, Martha Judit, - Ontario.
    Publication info: Guelph, Ont. :Dept. of Environmental Biology, University of Guelph,[1989].
    Contributed by: Ontario Ministry of the Environment (archive.org)
    Subjects: Bacillus (Bacteria)  Bacillus thuringiensis  Biological pest control agents  Biotechnology  
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