Universal decimal classification. B S 1000 A : (FID289).Abridged rev ed /
British Standards Institution
Universal decimal classification. B S 1000 A : (FID289).Abridged rev ed / - 3rd ed. - 1961.
Library Science Universal Decimal Classification
Universal decimal classification. B S 1000 A : (FID289).Abridged rev ed / - 3rd ed. - 1961.
Library Science Universal Decimal Classification