University of Southern California
January 2001
"Qibla Maps "
Presentation
to the Association for Geographic Information
London, United Kingdom
April 2000
"The
Care and Feeding of Vector Fields"
Paris, France
April 2000
"Exploring Geography Cartographically"
San Diego, California
July 1999
"The World is shriveling as it shrinks"
Honolulu, Hawaii
March 1999
"Unusual Map Projections"
last
updated: Jan 2001