Biological control agents and where to find them
By: A. Dreves and G.C. Fisher.
Contributors: Fisher, Glenn C.; Oregon State University. Extension Service.
Series: EC -- 1328.; Extension circular (Oregon State University. Extension Service) -- 1328.
Publisher: Extension Service, Oregon State University
Published: 1989
Place of publication: Corvallis, Or
Language: eng
Number of pages: 11
Subjects: Insect pests -- Biological control -- Directories.; Mites -- Biological control -- Directories.
Notes: "September 1989."