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Entomological technique (ET) circulars 151 to 233.

APA Citation

United States. Bureau of Entomology and Plant Quarantine. (194). Entomological technique (ET) circulars 151 to 233. [Washington, D.C.: U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine.

MLA Citation

United States. Bureau of Entomology and Plant Quarantine. Entomological Technique (ET) Circulars 151 to 233. [Washington, D.C.: U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 194.

Warning: These citations may not always be complete (especially for serials).