TY  - BOOK
AU  - Shamdher,D.M., x
AU  - x
TI  - Systmes programming and operating systems: x
SN  - 0074635794
U1  - 001.642/D534s 
PY  - 1999///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Computer programs
N1  - Includes
ER  -