G. Heo, P. Gader, and H. Frigui. Neural Networks, 22 (5-6):
642 - 650(2009)<ce:title>Advances in Neural Networks Research: IJCNN2009</ce:title> <xocs:full-name>2009 International Joint Conference on Neural Networks</xocs:full-name>.
P. Rosin, and H. Nyongesa. Real-World Applications of Evolutionary Computing, volume 1803 of LNCS, page 87--96. Edinburgh, Springer-Verlag, (17 April 2000)