Tonn, Derek

• Cartographic Perspectives No. 65 (2010) - Visual Fields
  3D Birds-eye-view Raster Maps
  Abstract  PDF
• Cartographic Perspectives No. 55 (2006) - Visual Fields
  What is Unique About the Imagery of mapformation?
  Abstract  PDF
• Cartographic Perspectives No. 66 (2010) - Featured Articles
  Running a Small Cartographic Business
  Abstract  PDF