TY  - BOOK
AU  - George, K.J.
TI  - Operating system: concepts and principles 
SN  - 8173667942
U1  - 005.43 GEO 
PY  - 2003///
CY  - Navi Mumbai, New Delhi, Kolkata
PB  - Shroff publisher and distributors
KW  - Operating system
ER  -