N. Gronau, C. Müller, and R. Korf. Journal of Universal Computer Science, 11 (4):
452--472(2005)\url|http://www.jucs.org/jucs_11_4/kmdl_capturing_analysing_and|.
J. Martins, A. Pinto, and N. Stollenwerk. Abstract Book of the XXIII IUPAP International Conference on Statistical Physics, Genova, Italy, (9-13 July 2007)