Universl decimal classification : Theory and practice /

Míreanna Comhchosúla

• Universal decimal classification: theory and practice
  le: Bose, H
  Foilsithe: (1990)
• Universal decimal classification /
  le: British Standards Institution
  Foilsithe: (1961)
• Universal decimal classification /
  le: Raju, A. A. N.
  Foilsithe: (2007)
• universal decimal classification
  le: Foskett, A.C
  Foilsithe: (1961)
• universal decimal classification
  le: Foskett, A.C
  Foilsithe: (1961)