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Proceedings : IEEE International Forum on Research and Technology Advances in Digital Libraries, ADL '98 : April 22-24, 1998, Santa Barbara, California. pp.107-116, 1998. Los Alamitos, CA. IEEE Computer Society Press
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Proceedings : IEEE International Forum on Research and Technology Advances in Digital Libraries, ADL '97 : May 7-9, 1997, Washington, DC. pp.70-81, 1997. Los Alamitos, CA. IEEE Computer Society Press