TY  - BOOK
AU  - Tiwari,Purushotham
TI  - Digital library
SN  - 8131300366
U1  - 025.04 
PY  - 2006///
CY  - New Delhi
PB  - APH Pub. Corp.
KW  - Library, Digital
N1  - Includes Bibliography, IndexRs.595
ER  -