Books
Mechanical and Electrical Equipment for Buildings, Eighth Edition. Reynolds, John S. and Stein, Benjamin, John Wiley & Sons, Inc. New York,1992.
Rendering with Radiance, Larson, Greg Ward and Shakespeare, Rob. A. Morgan Kaufmann Publishers, 1998.
From the web
Beowulf, the parallel computer software without which this would have been a much harder projects
The University of North London, on converting AutoCAD documents to Radiance format.
Radsite at Lawrence Berkeley Laboratories
Schorsch.com AutoCAD to Radiance conversion tools.