Search (3 results, page 1 of 1)

  • × author_ss:"Wellisch, H.H."
  • × year_i:[1970 TO 1980}
  1. Wellisch, H.H.: Organisatorische Neuordnung des DK-Systems (1971) 0.04 
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    Source
    Nachrichten für Dokumentation. 22(1971), S.55-63
    Type
    a
  2. Wellisch, H.H.: UDC: present and potential (1974) 0.00 
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    Type
    a
  3. Wellisch, H.H.: ¬The Universal Decimal Classification : a programmed instruction course (1970) 0.00 
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