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  • × language_ss:"e"
  • × type_ss:"d"
  • × year_i:[1990 TO 2000}
  1. Perez, E.R.: ¬A study of traditional information access models applied to a hypertext information system (1991) 0.00 
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  2. Hjoerland, B.: Subject representation and information seeking : contributions to a theory based on the theory of knowledge (1993) 0.00 
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  3. Retterer, O.J.: Learning from a hypertext (1991) 0.00 
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