Classification: Abridged English Edition With Guide
Universal Decimal
Classification: Abridged English Edition With Guide - 3rd review edn. - London British Standards Institution 1961 - 254p. 128p.
251:M7
251:M7 / J1
Classification: Abridged English Edition With Guide - 3rd review edn. - London British Standards Institution 1961 - 254p. 128p.
251:M7
251:M7 / J1