TY  - BOOK
AU  - Sehgal R.L.
TI  - Introduction to universal decimal classification
SN  - 8170001668 (hbk)
U1  - 2:51M96, N4(2D) 
PY  - 1994///
CY  - New Delhi
PB  - Ess Ess Publications India   
KW  - LIBRARY SCIENCE
ER  -