1. Bersini, H.: Self-assertion versus self-recognition: A tribute to francisco varela. In: Proceedings of ICARIS, Canterbury (2002)
2. DasGupta, D.: Artficial Immune Systems and Their Applications. Springer-Verlag New York, Inc. (1998)
3. Farmer, J.D., Packard, N.H., Perelson, A.S.: The immune system, adaptation, and machine learning. Phys. D 2(1-3), 187–204 (1986)
4. Hart, E., Ross, P.: The impact of the shape of antibody recognition regions on the emergence of idiotypic networks. International Journal of Unconventional Computing 1, 281–314 (2005)
5. Jerne, N.K.: Towards a network theory of the immune system. Ann. Immunol. (Paris) 125C(1-2), 373–389 (1974)