S. Kaulmann, and B. Haasdonk. VI International Conference on Adaptive Modeling and Simulation (ADMOS 2013), page 365--376. Lisbon, Portugal, (May 2013)
C. Bahlmann, B. Haasdonk, and H. Burkhardt. Proc. of the 8th International Workshop on Frontiers in Handwriting Recognition, page 49--54. IEEE Computer Society, (2002)