TY  - GEN
AU  - Chaturvedi, D.D
AU  - Rohatgi, S.N
TI  - A practical approach to classified catalogue code
SN  - 8174881824
U1  - 025.315 
PY  - 1996///
CY  - New Delhi
PB  - Anmol
KW  - GENERALITIES
ER  -