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  • × classification_ss:"025 / dc20"
  • × year_i:[1990 TO 2000}
  1. Otlet, P.: International organisation and dissemination of knowledge : selected essays of Paul Otlet (1990) 0.37
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    Classification
    Z1001.O822 1990
    Date
    8. 3.2008 13:42:22
    LCC
    Z1001.O822 1990
    Year
    1990