BOOKQUE

The Pea Weevil and Methods for Its Control
Tom Albert Brindley , Joseph Conrad Chamberlin , Ralph Schopp
· 1958
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The Smartweed Borer in Kansas
Ralph Schopp
· 1930
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Results of Laboratory and Field Tests with DDT Against the Pea Weevil
Tom Albert Brindley , Ralph Schopp
· 1945
No image available
The Pea Weevil and Methods for Its Control
Tom Albert Brindley , Joseph Conrad Chamberlin , Ralph Schopp
· 1958
No image available
The Pea Weevil and Methods for Its Control
T. A. Brindley , J. C. Chamberlin , Ralph Schopp
· 1946
No image available
Field Experiments with DDT for the Control of the Pea Weevil: Progress Report
Ralph Schopp , Frank Gerald Hinman , Tom Albert Brindley , United States. Bureau of Entomology and Plant Quarantine
· 1948
No image available
Results of Laboratory and Field Tests with DDT Against the Pea Weevil
Tom Albert Brindley , Ralph Schopp , United States. Bureau of Entomology and Plant Quarantine
· 1945