Link to the Ph.D. Dissertation
A link to the Ph.D. dissertation at the repository of the University of Bonn, Germany. The dissertation is in English.
The link address is: http://hss.ulb.uni-bonn.de/2006/0817/0817.htm
The link address is: http://hss.ulb.uni-bonn.de/2006/0817/0817.htm