R. Franke, F. Casella, M. Sielemann, K. Prölß, M. Otter, and M. Wetter. Proceedings of the 7th International Modelica Conference, volume 43 of Linköping Electronic Conference Proceedings, page 122--131. Linköping, Linköping University Electronic Press, Linköpings universitet, (2009)
R. Sałustowicz, M. Wiering, and J. Schmidhuber. Proceedings of the Seventh International Conference on
Artificial Neural Networks (ICANN'97), volume 1327 of Lecture Notes in Computer Science, page 769--774. Springer-Verlag, (1997)
R. Sałustowicz, M. Wiering, and J. Schmidhuber. Progress in Connectionist-based Information Systems:
Proceedings of the Fourth International Conference on
Neural Information Processing ICONIP'97, 1, page 502--505. Springer-Verlag, (1997)