1. GTM: a principled alternative to the self-organizing map;Bishop,1997
2. Evaluation of projection algorithms;Biswas;IEEE Transactions on Pattern Analysis and Machine Intelligence,1981
3. A heuristic relaxation method for nonlinear mapping in cluster analysis;Chang;IEEE Transactions on Systems, Man, and Cybernetics,1973
4. Nonlinear mapping using real-valued genetic algorithm;Chen;Chemometrics and Intelligent Laboratory Systems,1999
5. Koza, J. R. (1992). Genetic programming: on the programming of computers by means of.