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  • × classification_ss:"06.60 / Bibliotheksbenutzung"
  • × language_ss:"e"
  1. Reference and information services : an introduction (2001) 0.00 
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  2. Egghe, L.; Rousseau, R.: Introduction to informetrics : quantitative methods in library, documentation and information science (1990) 0.00 
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  3. Reference and information services : an introduction (1995) 0.00 
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