TY  - BOOK
AU  - Khanna, J. K.
TI  - Universal decimal classification: BS 1000M : 1993
SN  - 9788190604819
U1  - 025.432 
PY  - 2008///
CY  - Agra
PB  - Y. K. Publishers
KW  - Classification, Universal Decimal
ER  -