Lecture Notes on Artificial Intelligence (LNAI), Vol. 4441, Springer, New York - Berlin, 2007.
Florian Metze; Jitendra Ajmera; Roman Englert; Udo Bub; Felix Burkhardt; Joachim Stegmann; Christian Müller; Richard Huber; Bernt Andrassy; Josef G. Bauer; Bernhard Littel