Books

3dui.org

Devoted to the design and evaluation of three-dimensional user interfaces: http://www.3dui.org/

User and task analysis for interface design

http://portal.acm.org/citation.cfm?id=272962#

Software Visualization - Visualizing the Structure, Behavior, and Evolution of Software

by Stephan Diehl

http://www.eposoft.org/svbook