E. Hensinger, I. Flaounas, and N. Cristianini. Artificial Intelligence Applications and Innovations, volume 339 of IFIP Advances in Information and Communication Technology, chapter 25, Springer Boston, Berlin, Heidelberg, (2010)
H. Sayama, and C. Laramee. Adaptive Networks, volume 51 of Understanding Complex Systems, chapter 15, Springer Berlin / Heidelberg, Berlin, Heidelberg, (2009)