por National Conference on Artificial Intelligence (5 : 1986 : Philadelphia, Philadelphia) | University of Pennsylvania | American Association for Artificial Intelligence.
por Snow, Roberta | University of Pennsylvania, Wharton School, Social Systems -Sciences Department.
por Stein, Eric W | University of Pennsylvania, Wharton School. Department of S-ocial Systems Sciences.
por Boyd, Paul | University of Pennsylvania, Wharton School. Graduate Group - in Social Systems Sciences.
por Cowan, Thomas A | University of Pennsylvania, Wharton School. Social Systems - Sciences Department.
por Cowan, Thomas A | University of Pennsylvania, Wharton School Social Systems S-ciences Department.
por Ackoff, Russell Lincoln, 1919- | Choukroun, Jean-Marc [editor] | Snow, Roberta M, 1955- [editor] | University of Pennsylvania. Wharton School. Busch Center.
por Acar, William | University of Pennsylvania, Wharton School. Social Systems - Sciences Department.