@article {Hammer2004183, title = {Characterizing dynamic spatial and temporal residential density patterns from 1940-1990 across the North Central United States}, journal = {Landscape and Urban Planning}, volume = {69}, number = {2-3}, year = {2004}, note = {The Social Aspects of Landscape Change: Protecting Open Space Under the Pressure of Development}, pages = {183 - 199}, keywords = {Amenity growth, Cluster analysis, Housing density, Housing growth, Landscape change, Sprawl}, issn = {0169-2046}, doi = {DOI: 10.1016/j.landurbplan.2003.08.011}, url = {http://www.sciencedirect.com/science/article/B6V91-4BBHBTN-2/2/ab6ac67484362a8153ba5817d8f7cec6}, author = {Roger B. Hammer and Susan I. Stewart and Richelle L. Winkler and Volker C. Radeloff and Paul R. Voss} }