[Bouncer]

http://nineeleven2001.t35.com/
This has lots of images and might have a link to the site you're looking for. Perdue University and I think another engineering school (MIT?) di this after the fact.

Here are a couple of related sites; a little more than a rehash of already documneted opinions and evidence.


http://killtown.911review.org/flight77/claim.html

http://www.oilempire.us/wargames.html

Good luck!