Hector J. Levesque (Levesque, Hector J.)

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  Knowledge Representation
  by Ronald J. Brachman, Hector J. Levesque, Raymond Reiter
  Softcover, Bradford Books, ISBN 0262521687 (0-262-52168-7)
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  via
  Knowledge Representation and Reasoning
  by Hector J. Levesque, Ronald Brachman
  Hardcover, Morgan Kaufmann Pub, ISBN 1558609326 (1-55860-932-6)
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  The Logic of Knowledge Bases
  by Hector J. Levesque, Gerhard Lakemeyer
  Hardcover, Mit Pr, ISBN 0262122324 (0-262-12232-4)
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  Logical Foundations for Cognitive Agents : Contributions in Honor of Ray Reiter
  by Hector J. Levesque, Fiora Pirri, S. Amarel, A. Biermann, L. Bolc
  Hardcover, Springer, ISBN 3540660127 (3-540-66012-7)
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  Principles of Knowledge Representation and Reasoning 1991
  by Ronald J. Brachman, Hector J. Levesque, Raymond Reiter, International Conference on Principles of Knowledge Representation And, Canadian Society for Computational Studies of Intelligence
  Softcover, Elsevier Science Ltd, ISBN 1558600329 (1-55860-032-9)
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  Principles of Knowledge Representation and Reasoning: Proceedings of the Second International Conference
  by James Allen, Richard Fikes, Erik Sandewall
  Softcover, Elsevier Science Ltd, ISBN 1558601651 (1-55860-165-1)
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  Readings in Knowledge Representation
  by Ronald J. Brachman, Hector J. Levesque
  Softcover, Elsevier Science Ltd, ISBN 093461301X (0-934613-01-X)