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Lysen, A.: ¬Ein "¬verbesserter Index" zum systematischen Katalog (1925)
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Hertley, R.V.L.: Transmission of information (1928)
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- Source
- Bell system technical journal. 7(1928) S.535-553
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Bliss, H.E.: ¬The organization of knowledge and the system of the sciences (1929)
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Tillich, P.: ¬Das System der Wissenschaften nach Gegenständen und Methoden : ein Entwurf (1923)
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Füchsel, J.: ¬Ein schwedisches Realkatalogschema (1922)
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- Source
- Zentralblatt für Bibliothekswesen. 39(1922), S.29-35