Contributions by: Robert L. McIntyre, Gregory M. Fahy, Peter Gouras, Ramon Risco, Alberto Olmo, Pablo Barroso, Benjamin Best, Aschwin de Wolf, Dirk Nemitz, Klaus Mathwig, Nadine Saul, Klaus Sames, Igor Artyuhov, Dmitry Buslow, Alexei Peregudov, Shamaev, Tselikovsky