Purposive systems proceedings of the First Annual Symposium of the American Society for Cybernetics [held at the National Bureau of Standards, Gaithersburg, Maryland]
American Society for CyberneticsAnnual Symposium, 1st, National Bureau of Standards.
Von Foerster, Heinz.
New York Spartan Books London Distributed by Macmillan
1968
bibl
Cybernetics