Crosby, Donald G
Natural pest control agents - U S A, American chemical society 1966 - 146 - Advances in chemistry series 53 .
Pest control/insecticides/pyrethrins-analysis
632.96 NAT
100
Natural pest control agents - U S A, American chemical society 1966 - 146 - Advances in chemistry series 53 .
Pest control/insecticides/pyrethrins-analysis
632.96 NAT
100