http://developer.valvesoftware.com/wiki/Category:Material_System http://poitot.us/source-maya-tutorials/creating-a-keyboard-physics-prop-... http://developer.valvesoftware.com/wiki/Developer_Console_Control http://www.sgmod.de/index.php?page=team http://stargate-wiki.de/index.php/Naquadah-Generator