@article{dutton_dutton_perry_2001, title={Do online students perform as well as lecture students?}, volume={90}, number={1}, journal={Journal of Engineering Education}, author={Dutton, J. and Dutton, M. and Perry, J.}, year={2001}, pages={131} }
 @inbook{dutton_grennes_1988, title={The role of exchange rates in trade models}, ISBN={0813375630}, booktitle={Elasticities in international agricultural trade}, publisher={Boulder: Westview Press, Inc}, author={Dutton, J. and Grennes, T.}, editor={C. A. Carter and Gardiner, W. H.Editors}, year={1988}, pages={87} }