TY  - BOOK
AU  - Ritchie, Colin
AU  - Ritchie, Colin
TI  - Operating systems incorporating UNIX and Windows
SN  - 8170296420
AV  - 005.43 RIT 1995 
U1  - 005.43 RIT 1995 
PY  - 1995///
CY  - New Delhi
PB  - BPB PUBLICATIONS
KW  - Computer Engineering
ER  -