@article{Stephen2017, author = "Daniel M. Stephen and Bernhard Jenny", title = "{Automated layout of origin–destination flow maps: U.S. county-to-county migration 2009–2013}", year = "2017", month = "12", url = "https://tandf.figshare.com/articles/media/Automated_layout_of_origin_destination_flow_maps_U_S_county-to-county_migration_2009_2013/4982465", doi = "10.6084/m9.figshare.4982465" }