1888 Report on the gas treatment for scale insects. Report of the Entomologist, Annual Report of the United States Department of Agriculture 123-142
Keywords:
Notes: Thorough details of experiments on gas treatment.
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1888 Report on the gas treatment for scale insects. Report of the Entomologist, Annual Report of the United States Department of Agriculture 123-142
Keywords:
Notes: Thorough details of experiments on gas treatment.
Download PDF