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GROUP '07: Proceedings of the 2007 international ACM conference on Conference on supporting group work (p./pp. 351--360),
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ISBN: 978-1-59593-845-9
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(2007).
Social Bookmarking for Scholarly Digital Libraries. IEEE Internet Computing,
11, 29--35.
doi: http://dx.doi.org/10.1109/MIC.2007.135