Chromosomes of syrphinae (Diptera : syrphidae) - J. W. Boyes; Janny M. Van Brink Beatrice C. Boyes (Ottawa Genetic Society of Canada, 1971)
J. W. Boyes; Janny M. Van Brink & Beatrice C. Boyes: Chromosomes of syrphinae (Diptera : syrphidae). Ottawa. Genetic Society of Canada, 1971.--(575.105BOY)
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