TY  - BOOK
AU  - Sardana J.L.
AU  -  Sehgal R. L.
TI  - Universal Decimal Classification :  Structure and methodology
U1  - 2:51M96:g, M3 
PY  - 1983///
CY  - Delhi
PB  - Ess Ess Publications India     
KW  -  LIBRARY SCIENCE
KW  - LIBRARY CLASSIFICATION
ER  -