TY  - BOOK
ED  - British Standards Institution.
TI  - Universal decimal classification
U1  - 025.432 21st ed.
PY  - 1985///
CY  - London : 
PB  - British Standards Institution , 
KW  - Classification, Universal decimal
KW  - Universal decimal classification - Tables (systematic)
N1  - Part 1: Systematic tables; International medium edition english text  FID Publication No.571
 BS 1000M : Part 1 : 1985
ER  -