Universal Decimal Classification. (V : Vol 2, Part 1 Classes 50 General Works on Pure Science, 51 Mathematics, 52 Astronomy, 53 Physics By, British Standards Institution 103p

British Standards Institution

Universal Decimal Classification. (V - 4th Ed - London British Standards Institution 1943 - 103p - Vol 2, Part 1 .

British Standards Institution: Universal Decimal Classification. (Vol 2, Part 1). (4th Ed) London. British Standards Institution, 1943.--(025.45BRI)


ENGLISH

25.45 / UDC