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  • × author_ss:"Engel, G."
  1. Engel, G.: User instruction for access to catalogs and databases on the Internet (1991) 0.05 
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    Date
    8. 1.2007 17:22:52
  2. Engel, G.: ¬A personal portable information interface : a model for meeting user needs in the networked information environment (1997) 0.02 
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