Renewed Cost-sharing Program for Pesticide Analysis of Honey Bee Colony Matrices http://canr.udel.edu/maarec/wp-content/uploads/sites/18/2011/01/PrelimLosses2009.pdf
“What Have Pesticides Got To Do With It?” American Bee Journal http://maarec.psu.edu/CCDPpt/WhatPesticidesToDoWithItJune08ABJ.pdf