Lenski, R.E. et al. 1999. Genome complexity, robustness and genetic interactions in digital organisms. Nature 400: 661–664.
93
Wilke, C.O. and C.Adami. 2002. The biology of digital organisms. Trends Ecol Evol 17: 528–532.
94
O’Neill, B. 2003. Digital evolution. Public Library of Science Biology 1: 11–14 or http://www.plosbiology.org/plosonline/?request – get-document&doi–10.1371/journal.pbio.0000018
