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  • × year_i:[1950 TO 1960}
  1. Cole, P.F.: ¬The analysis of reference question records as a guide to the information requirements of scientists (1958) 4.07 
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  2. Rothstein, S.: ¬The development of reference services through academic traditions, public library practice and special librarianship (1955) 4.07 
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  3. Kunze, H.: Auskunftstätigkeit der allgemeinen öffentlichen Bibliotheken : Bemerkungen zu einem Beitrag H. Ruhls (1954) 4.07 
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  4. Kunze, H.: Zur Kritik an der Auskunftstätigkeit der wissenschaftlichen Bibliotheken (1953) 4.07 
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  5. Roloff, H.: ¬Die Auskunftstätigkeit der wissenschaftlichen Bibliotheken (1954) 4.07 
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  6. Bourgeois, P.: ¬Die Unparteilichkeit der Auskunftserteilung : ein Beitrag zum Berufsbild des Bibliothekars (1956) 4.07 
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  7. Mummendey, R.: Auskunft und Benutzung in amerikanischen Bibliotheken (1956) 4.07 
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  8. Shaw, R.R.: Mechanical storage, handling, retrieval and supply of information (1958) 4.07 
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