TY  - GEN
AU  - Beck,Leland L.
TI  - System software: an introduction to sytems programming 
SN  - 8178080962
U1  - 621.38195 
PY  - 1997///
CY  - Delhi
PB  - Pearson Education Asia, 
KW  - Applied physics
KW  - Electronic engineering
KW  - Computers
ER  -