A. Nomura, K. Michishita, S. Uchida, and M. Suzuki. Proceedings of the Seventh International Conference on Document Analysis
and Recognition, (ICDAR2003), 1, page 126--130. ieeeaddr, ieee, (August 2003)
C. Wu, L. Huang, and L. Kang. Proceedings of 2005 International Conference on
Machine Learning and Cybernetics, 5, page 2870--2873. IEEE, (18-21 August 2005)
H. Jäske. Proceedings of the Second Nordic Workshop on Genetic
Algorithms and their Applications (2NWGA), page 79--88. Vaasa (Finland), University of Vaasa, (19.-23.~August 1996)