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  • × author_ss:"Xu, Y."
  • × theme_ss:"Suchtaktik"
  • × year_i:[2000 TO 2010}
  1. Xu, Y.: ¬The dynamics of interactive information retrieval behavior : part I: an activity theory perspective (2007) 1.00
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  2. Xu, Y.; Liu, C.: ¬The dynamics of interactive information retrieval : part II: an empirical study from the activity theory perspective (2007) 1.00
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