@article{Barton:145726, recid = {145726}, author = {Barton, J.R. and Hertzler, Greg and Hassan, Rashid M.}, title = {Deforestation and the External Costs Imposed on Agriculture in Sudan}, address = {1991-02}, number = {402-2016-24829}, pages = {16}, year = {1991}, url = {http://ageconsearch.umn.edu/record/145726}, doi = {https://doi.org/10.22004/ag.econ.145726}, }