procedural generation links

[1] http://www.blendernation.com/2010/04/26/city-zoning-modification-for-blended-cities-script/
[2] http://www.vision.ee.ethz.ch/~pmueller/publications.html
[3] http://www.quelsolaar.com/love/index.html
[4] http://www.addictinggames.com/helicopter.html
[5] http://www.infinity-universe.com/Infinity/index.php?option=com_content&task=view&id=106&Itemid=27