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  1. Zhao, L.: Save space for "newcomers" : analyzing problems in book number assignment under the LCC system (2004) 10.31
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    Zhao, L.
  2. Zhao, L.: How librarians used e-resources : an analysis of citations in CCQ (2006) 10.31
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    Zhao, L.
  3. Zhao, L.; Wu, L.; Huang, X.: Using query expansion in graph-based approach for query-focused multi-document summarization (2009) 10.31
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