TY  - BOOK
TI  - Universal decimal classification : B.S. 1000A :  1961 (F.I.D. No.289) abridged English
U1  - 025.43 
PY  - 1961///
CY  - London
PB  - British Standards Institute
N1  - Prepared by the B.S.I. under the auspices of the  F.I.D; PR
ER  -