Erschienen in: HAHN, Martin, ed. and others. Proceedings of the twenty first annual conference of the Cognitive Science Society : August 19 - 21, 1999, Simon Fraser University, Vancouver, British Columbia. Mahwah, NJ [u.a.]: Lawrence Erlbaum, 1999, pp. 806. ISBN 0-8058-3581-4
Erschienen in: HAHN, Martin, ed. and others. Proceedings of the twenty first annual conference of the Cognitive Science Society : August 19 - 21, 1999, Simon Fraser University, Vancouver, British Columbia. Mahwah, NJ [u.a.]: Lawrence Erlbaum, 1999, pp. 468-473. ISBN 0-8058-3581-4
