Penny, Simon. — «Embodied agents, reflexive engineering and culture as a domain». — Technology in the 1990's : the human/machine interface. — New York : äda`web, 1996. — [Référence du : 1 juin 2001]. — Accès : {{http://adaweb.walkerart.org/context/events/moma/bbs5/penney.html}}.