TY  - BOOK
AU  - Dorovan, John J.
TI  - System Programming
SN  - 0-07-460482-1
U1  - 005.13/D687s 
PY  - 1972///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Programming
N1  - Department of Computer Science & Engineering
N2  - System, Programming
ER  -