1. A. Asuncion, D.J. Newman, UCI machine learning repository, University of California, Irvine, School of Information and Computer Science, 〈http://www.ics.uci.edu/∼mlearn/MLRepository.html〉, 2007.
2. Generalized discriminant analysis using a Kernel approach;Baudat;Neural Computation,2000
3. GTM: the generative topographic mapping;Bishop;Neural Computation,1998
4. Multidimensional Scaling;Cox,2001
5. Pattern Classification and Scene Analysis;Duda,1973