TY  - GEN
AU  - Lister, A. M.
AU  - Eager, R. D.
TI  - Fundamentals of operating systems
SN  - 0333598482
U1  - 005 
PY  - 1975///
CY  - London
PB  - Macmillan
KW  - Computer programming ,programs ,data
ER  -