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  • × theme_ss:"Benutzerstudien"
  1. Ballard, T.: Comparative searching styles of patrons and staff (1994) 9.14 
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    Ballard, T.
  2. Ballard, T.; Smith, J.: ¬The human interface : an ongoing study of OPAC usage at Adelphi University (1992) 9.14 
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    Ballard, T.

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