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",
}