Pest management : biologically based technologies : proceedings of the Beltsville Symposium XVIII, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, Maryland, May 2-6, 1993 /
Beltsville Symposium(18th :1993)
Lumsden, R. D.
Vaughn, James L.,1934-
Beltsville Agricultural Research Center.
Washington, DC : American Chemical Society,
1993.
Includes bibliographical references and index.
Biological pest control agents
Agricultural pests