Contributors ============ Andreas Gudian Christian Schuster Christophe Labouisse Ciaran Liedeman Dilip Krishnan Ewald Volkert Filip Hrisafov Gunnar Morling Ivo Smid Markus Heberling Michael Pardo Mustafa Caylak Oliver Ehrenmüller Paul Strugnell Pavel Makhov Remko Plantenga Samuel Wright Sebastian Hasait Sjaak Derksen Sean Huang Timo Eckhardt Tomek Gubala Vincent Alexander Beelte