1. A phylogenetic, ontogenetic, and epigenetic view of bio-inspired hardware systems;Sipper;IEEE Trans. Evol. Comput.,1997
2. Phylogeny, ontogeny, and epigenesis: three sources of biological inspiration for softening hardware,1997
3. A. Somayaji, S. Hofmeyr, S. Forrest, Principles of a Computer Immune System, 1997, New Security Paradigms Workshop, ACM, 1998, pp. 75–82.
4. Evolution and learning in autonomous robotic agents;Floreano,1998
5. T. Higuchi et al., Hardware Evolution at Gate and Function Levels, Proceedings Biologically Inspired Autonomous Systems: Computation, Cognition and Action, Durham, North Carolina, 1996.