The project "Evolution of socialness" was condicted in the module 
Complex Adaptive Systems, summer term 2004, by Hauke and me.
The Java applet can be found at
http://www.usf.uos.de/projects/quicksilver/model-archive/cas-2004/evocoop.html
Information on the Quicksilver agent model development environment we used,
which was developed in Zurich and Osnabrueck, can be found here
http://www.usf.uos.de/projects/quicksilver