Hallo, here is another book in favour of the Schulze method:
Christoph Börgers, "Mathematics of Social Choice: Voting, Compensation, and Division", SIAM, 2009 http://books.google.com/books?id=dccBaphP1G4C&pg=PA37#v=onepage&q=&f=false Markus Schulze ---- Election-Methods mailing list - see http://electorama.com/em for list info
