I would like to thank the following persons for their invaluable help: Alessandro Zummo Arnaud Meurgues Ben Crowl Brian Jeffery Christian Herblot Christian Kemp Christian Scholz Christophe Parent David Ceulemans David Dudziak David Zislin Didier Levet Dietmar Eilert Emmanuel Doguet Eric Giguere Etienne Schneider Florent Monteilhet Franck Stohl Frank Wuerkner Frederic Dalesme Frederic Leconte Frederic Steinfiels Georges Goncalves Henning Rowlin Herve Sonneville Jean Francois Bouderlique Jean-Francois Fabre Jean-Marc Xiume Jean-Pierre Rivière Jerome Fleury Jerome Souquieres Joan Tore Eliassen Joerg Krause John Corigliano Joseph Carlson Kai Hofmann Kamel Biskri Kersten Emmrich Korneel Ketelslegers Laurent Kempé Luc Gibert Marcin Orlowski Mark Wadner Martin Huttenloher Martin Korndörfer Mattias Eriksson Osma Ahvenlampi Pascal Belaubre Pavel Bures Philippe Brand Philippe Fabry Pierre Delisle Ralph Torchia Regis Levie Regis Rampnoux Richard Harris Rodrigo Reyes Roman Patzner Roy E Brown Régis Levie Sebastien Kaiking Sylvain Marchand Stefan Becker Stephane Anquetil Stephane Kocher TANGo Thibault Carrier Thomas Pimmel Tino Holst Tobias Ferber Trevor Morris Urban Mueller Yann-Erick Proy