TY  - BOOK
AU  - Davis,William S.
TI  - Operating systems: a systematic view 
SN  - 0201111853
PY  - 1987///
CY  - Reading, Mass. : 
PB  - Addison-Wesley Pub. Co., 
KW  - Operating systems (Computers)
KW  - System
N1  - Includes index
ER  -