(en) Eigen M (1971). Selforganization of matter and the evolution of biological macromolecules. Die Naturwissenschaften58 (10): 465–523. PMID4942363. DOI: 10.1007/BF00623322.
(en) Wilke CO, Wang JL, Ofria C, Lenski RE, Adami C (July 2001). Evolution of digital organisms at high mutation rates leads to survival of the flattest. Nature412 (6844): 331–3. PMID11460163. DOI: 10.1038/35085569.
(en) Eigen M (1971). Selforganization of matter and the evolution of biological macromolecules. Die Naturwissenschaften58 (10): 465–523. PMID4942363. DOI: 10.1007/BF00623322.
(en) Wilke CO, Wang JL, Ofria C, Lenski RE, Adami C (July 2001). Evolution of digital organisms at high mutation rates leads to survival of the flattest. Nature412 (6844): 331–3. PMID11460163. DOI: 10.1038/35085569.