David Hausheer, Thomas Bocek, Fabio Victora Hecht, Cristian Morariu, Gregor Schaffrath, Burkhard Stiller (Eds.): P2P Challenge Task 2008; IFI Technical Report, No. 0, July 2008, URL: ftp://ftp.ifi.uzh.ch/pub/techreports/TR-2008/ifi-2008.07.pdf.