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by Evans, Robert T.
by Evans,Robert C.
by Reason, Robert D.; Broido, Ellen M.; Davis, Tracy L.; et al.
by Agyeman, Julian; Bullard, Robert D.; Evans, Bob
by Evans, Robert A., Ph.d.; Bone, J. Michael, Ph.d.
by Evans, Robert Mitchell
by Snodgrass, Robert Evans; United States Bureau of Entomology
by Brown, Peter; Evans, Michael; Gaudry, Garth; et al.
by Evans, Robert C.
by Evans, Robert Harding