The Vector or Object GIS, Brian Klinkenburg and Holly Dickinson

The Vector GIS Capabilities, Brian Klinkenburg and Holly Dickinson

Relationships Among Spatial Objects, Brian Klinkenburg and Gerald White (California State University)

The Vector View of the World, Kenneth E. Foote and Donald J. Huebner, The Geographer's Craft Project, Department of Geography, University of Colorado at Boulder

Vector Data, CAD Resources