URISA Journal Volume 13, Number 1

URISA Journal
Table of Contents
Volume 13, Number 1
Spring 2001

In this issue: 

• The Concept and Implementation of Perceptual Regions as Hierarchical Spatial
  Units for Evaluating Environmental Sensitivity
  Isabelle Reginster and Geoffrey Edwards
• Implementing the Enterprise GIS in Transportation
  Database Design
  J. Allison (Al) Butler and Kenneth J. Dueker
• Constructing GIS: Actor Networks of Collaboration
  Francis Harvey