E. Hensinger, I. Flaounas, и N. Cristianini. AIAI, том 339 из IFIP Advances in Information and Communication Technology, стр. 179-186. Springer, (2010)
E. Hensinger, I. Flaounas, и N. Cristianini. Artificial Intelligence Applications and Innovations, том 339 из IFIP Advances in Information and Communication Technology, глава 25, Springer Boston, Berlin, Heidelberg, (2010)