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  • × year_i:[1940 TO 1950}
  1. Shannon, C.E.: ¬A mathematical theory of communication : pt.1.2 (1948) 0.01 
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  2. Pettee, J.: Subject headings: the history and theory of the alphabetical subject approach to books (1946) 0.01 
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  3. Shannon, C.E.; Weaver, W.: ¬The mathematical theory of communication (1949) 0.01 
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  4. Harnack, A. von: ¬Die Auskunftserteilung als bibliothekarische Aufgabe (1940) 0.01 
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    Source
    Zentralblatt für Bibliothekswesen. 57(1940), S.16-22
  5. Sveistrup, H.: ¬Der neue Realkatalog der SUB Hamburg (1947) 0.01 
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    Source
    Probleme des Wiederaufbaus im wissenschaftlichen Bibliothekswesen: aus d. Verhandlungen des 1. Bibliothekartagung der britischen Zone in Hamburg vom 22.-24.10.1946

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