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ACM Transactions on Information Systems (TOIS), Volume 17

Volume 17, Number 1, January 1999

Volume 17, Number 2, April 1999

Volume 17, Number 3, July 1999

Volume 17, Number 4, October 1999

Copyright © Sun May 17 00:30:00 2009 by Michael Ley (ley@uni-trier.de)