TY  - BOOK
AU  - Ritchie, C.
TI  - Operating  systems incorporating UNIX & Windows
SN  - 1858053021
AV  - QA76.76.063.R5.  1997 
PY  - 1997///
CY  - London
PB  - Letts Educational
KW  - Operating systems (Computers)
KW  - Composer operat8ing systems
ER  -