The dissipation of chlorpyrifos and cypermethrin and their metabolites in elm bark, litter and soil and their persistence in the control of the native elm bark beetle

Jin, Heng2012-11-232012-11-231996http://hdl.handle.net/1993/12266ix, 178 leaves :engThe dissipation of chlorpyrifos and cypermethrin and their metabolites in elm bark, litter and soil and their persistence in the control of the native elm bark beetledoctoral thesis