@techreport{Winkler2013,
author = {Winkler, R.L. and Egan-Robertson, D. and Curtis, K.J. and Johnson, K.M. and Bourbeau, C.},
title= {Age-specific net migration estimates for US counties, 1950–2010},
year = {2013},
URL = {https://netmigration.wisc.edu/},
publisher = {Applied Population Laboratory, University of Wisconsin-Madison},
address = {Madison, WI},
}