TY - BOOK TI - Universal demcimal classification SN - 978 0 580 45469 1 (pbk (Vol. 1)); 978 0 580 45470 7 (pbk (Vol. 2)) U1 - 2:51M96, M8;P5.1-.2 PY - 2005/// CY - London PB - British Standards Institution UK KW - LIBRARY SCIENCE ER -