Biological control
Subtitle: spreading the benefits
Contributors: United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs
Edition: Slightly rev. Nov. 1989
Series: Program aid -- no. 1395; Program aid (United States. Dept. of Agriculture) -- no. 1395
Publisher: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine
Published: 1989
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 11
Subjects: Agricultural pests -- Biological control -- United States
Notes: Shipping list no.: 90-162-P

"Issued July 1987"--P. [12]