Universal decimal classification. B S 1000A : (F1D289).Abridged English rev ed /
British Standards Institution
Universal decimal classification. B S 1000A : (F1D289).Abridged English rev ed / - 2nd ed. - 1957.
Library Science Universal Decimal Classification
Universal decimal classification. B S 1000A : (F1D289).Abridged English rev ed / - 2nd ed. - 1957.
Library Science Universal Decimal Classification