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Author
Bjornson, Roy (1)
Burger, Tom (1)
Burgess, Van (1)
Jenson, Gary (1)SubjectBiocontrol (1)
Biological control (1)
Cereal leaf beetle (1)
Oulema melanopus (1)
Quarantine (1)
Small grain pests (1)
... View MoreDate Issued
1990 (1)