TY - BOOK AU - British Standards Institution ED - British Standards Institution TI - Universal decimal classification. International T2 - FID Pub; 179 U1 - 2:51M96, qL0 PY - 1970/// CY - London PB - British Standards House KW - LIBRARY SCIENCE N1 - Contents UDC 662.1/5 Explosives. (15p.) ER -