R. Salustowicz, and J. Schmidhuber. Machine Learning: ECML-97, volume 1224 of Lecture Notes in Artificial Intelligence, page 213--220. Springer-Verlag, (1997)
R. Salustowicz, and J. Schmidhuber. Proceedings of the Fifteenth International Conference
on Machine Learning, ICML'98, page 488--496. Madison, Wisconsin, USA, Morgan Kaufmann, (July 1998)
K. Kim, and S. Cho. Neurocomputing, 69 (16-18):
2193--2207(October 2006)Brain Inspired Cognitive Systems - Selected papers
from the 1st International Conference on Brain Inspired
Cognitive Systems (BICS 2004).
G. Barlow, C. Oh, and E. Grant. Proceedings of the 2004 IEEE Conference on Cybernetics
and Intelligent Systems (CIS), page 688--693. Singapore, IEEE, (1-3 December 2004)