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  • × theme_ss:"Benutzerstudien"
  • × type_ss:"a"
  • × year_i:[1960 TO 1970}
  1. Weese, L.C. de: ¬A bibliography of library user studies (1967) 0.04 
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    Source
    Jain, A.K. u. L.C. De Weese: A statistical study of book use