Mark A. Bedau John S. McCaskill Norman H. Packard Steen Rasmussen Living Technology: Exploiting Life's Principles in Technology. 89-97 2010 16 Artificial Life 1 http://dx.doi.org/10.1162/artl.2009.16.1.16103 db/journals/alife/alife16.html#BedauMPR10