@techreport{Feng2015,
author = {Feng, S. and Oppenheimer, M. and Schlenker, W.},
title= {Weather anomalies, crop yields, and migration in the US Corn Belt},
year = {2015},
URL = {https://www.columbia.edu/~ws2162/articles/FengOppenheimerSchlenker.pdf},
publisher = {Columbia University},
address = {New York},
}