Fernald, Henry Torsey. Applied entomology : an introductory text book of insects in their relations to man - 5 ed. - New York : McGraw-Hill, 1955 - 385 p. : ilus. LCCN: 50079 Subjects--Topical Terms: Entomología económica.Insectos--E.U.A. Dewey Class. No.: 632.7 / F45 1955