TY  - BOOK
AU  - Beck, Leyland L.
TI  - System software: : An introduction to system programming/ 3rd ed
U1  - 681.3.06 
PY  - 2008///
CY  - New Delhi
PB  - Pearson
KW  - System software
KW  - CS/IT 502
KW  - System programming
ER  -