00425nam a2200109Ia 4500008004100000082002600041100002600067245013700093260006100230300000900291650001500300140113s9999 xx 000 0 und d a374.14:632.9511957 J7 aU. S. Dept. of Agri.; aInsecticide Recommendations of the Entomology Research Division for the Control of Insects Attacking Crops and Livestock 1957 Season b"Washington, D.C. : U S department of agriculture, 1957" a109p aEntomology