Nickolas S. Sapidis Gabriel Theodosiou Informationally-Complete Product Models of Complex Arrangements for Simulation-Based Engineering: Modelling Design Constraints using Virtual Solids. 147-161 2000 16 Eng. Comput. (Lond.) 3-4 http://www.springerlink.com/openurl.asp?genre=article&issn=0177-0667&volume=16&issue=3&spage=147 db/journals/ewc/ewc16.html#SapidisT00