Arant,F.S. The relative efficiency of certain Fluorine and Arsenic Insecticides against the Cowpea Curculio - - Auburn-USA 1938 - - Journal of Economic Entomology v.31(2) . ISBN: Subjects--Topical Terms: --Entomologia Economica--Insecticidas Arsenicas--Cowpea Curculio--Zoologia