TY  - BOOK
AU  - Sehgal.
TI  - An Introduction to Universal Decimal Classification
SN  - 9788170001669
U1  - 025.43 
PY  - 1991///
CY  - New Delhi
PB  - Ess Ess Publications
KW  - Classification
KW  - Universal Decimal Classification
KW  - G-Library Science
ER  -