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  • × language_ss:"e"
  • × type_ss:"a"
  • × year_i:[1900 TO 1910}
  1. Immroth, J. P.: Library of Congress Classification (19??) 0.01 
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    Source
    Encyclopedia of library and information science. Vol.15
  2. Pobukovsky, M.: Unesco-cooperative development and promotion of the CDS/ISIS system (19??) 0.01 
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    Source
    Encyclopedia of library and information science. Vol.41, [=Suppl.6]

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