ScapeToad - cartogram software by the Choros laboratory#java#gis#free_software#cartography·chorogram.choros.ch·May 24, 2008ScapeToad - cartogram software by the Choros laboratory
ColorBrewer - Selecting Good Color Schemes for Maps#color#cartography#design#gis·personal.psu.edu·Apr 20, 2006ColorBrewer - Selecting Good Color Schemes for Maps