TY  - BOOK
AU  - Nagrath, I
TI  - Systems modelling and analysis
SN  - 0-07-451787-2
U1  - 003.3 
PY  - 2001///
CY  - New Delhi
PB  - Tata Mcgraw-Hill Pub
KW  - Computer EngineeringInformation Technology
ER  -