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  • × year_i:[1990 TO 2000}
  1. Qin, J.; Lancaster, F.W.; Allen, B.: Types and levels of collaboration in interdisciplinary research in the sciences (1997) 8.75 
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  2. Qin, J.; Wesley, K.: Web indexing with meta fields : a survey of Web objects in polymer chemistry (1998) 8.75 
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  3. Qin, J.: Discovering semantic patterns in bibliographically coupled documents (1999) 8.75 
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