TY  - BOOK
AU  - Sardana, J. L. and Sehgal, R. L.
TI  - Universal decimal classification: : structure and methodology
U1  - 025.432 
PY  - 1983///
CY  - New Delhi
PB  - ; Ess Ess Publications
KW  - Library Classification
KW  - Library Science
KW  - Udc
ER  -