TY - BOOK AU - British standards Institutions ED - British standards Institutions TI - Universal decimal classification. International T2 - FID Pub; 179 U1 - 2:51M96, qL14-.;13 (2) PY - 1971/// CY - London PB - British standards Institutions KW - LIBRARY SCIENCE N1 - 'Contents UDC 67/673 Various industries trades and crafts. Precious metal and precious stone industries.Metal goods ER -