TY  - GEN
AU  - Sehgal , R.L.
TI  - An introduction to universal decimal classification
SN  - 8170001668
U1  - 025.432 
PY  - 1994///
CY  - Ess Ess
PB  - New Delhi
KW  - UDC
KW  - LIBRARY INFORMATION SCIENCE
KW  - CLASSIFICATION SYSTEMS
KW  - UNIVERSAL DECIMAL CLASSIFICATION
ER  -