@book{kuhr_motoyama_1998, title={Pesticides and the future: Minimizing chronic exposure of humans and the environment}, ISBN={9051993889}, publisher={Amsterdam; Washington, DC: IOS Press}, author={Kuhr, R. J. and Motoyama, N.}, year={1998} }
 @book{r. michael roe_kuhr_1997, title={Herbicide activity toxicology, biochemistry and molecular biology}, publisher={Amsterdam ;|aWashington, DC: IOS Press ;|aTokyo: Ohmsha}, author={R. Michael Roe, James D. Burton and Kuhr, Ronald J.}, year={1997} }