Source:
Annals of the Association of American Geographers. Sep2012, Vol. 102 Issue 5, p1026-1037. 12p. 1 Color Photograph, 1 Black and White Photograph, 1 Diagram, 5 Charts, 4 Graphs, 2 Maps.
Source:
Annals of the Association of American Geographers. Apr2010, Vol. 100 Issue 2, p373-392. 20p. 2 Color Photographs, 2 Black and White Photographs, 1 Chart, 1 Map.