Last update: Sat Oct 14 03:04:52 MDT 2017
@Article{Penrose:1959:SM, author = "L. S. Penrose", title = "Self-Reproducing Machines", journal = j-SCI-AMER, volume = "200", number = "6", pages = "105--113", month = jun, year = "1959", CODEN = "SCAMAC", ISSN = "0036-8733 (print), 1946-7087 (electronic)", bibsource = "Ai/alife.bib; http://www.math.utah.edu/pub/tex/bib/sciam1950.bib", note = "Self-reproducing machines constructed out of simple mechanical blocks which can hook onto one another to form chains.", acknowledgement = ack-nhfb, fjournal = "Scientific American", journal-URL = "http://www.nature.com/scientificamerican", keywords = "history; self-rep", }