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  • × year_i:[1920 TO 1930}
  1. Ostwald, W.: ¬Die Pyramide der Wissenschaften : eine Einführung in wissenschaftliches Denken und Arbeiten (1929) 0.06 
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  2. Füchsel, J.: ¬Ein schwedisches Realkatalogschema (1922) 0.01 
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    Source
    Zentralblatt für Bibliothekswesen. 39(1922), S.29-35

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