TY  - BOOK
AU  - Maddix Frank
AU  - Morgan Gareth
TI  - Systems software: an introduction to language processors and operating systems 
T2  - Ellis Horwood series in computers and their applications
SN  - 0470214228
AV  - QA76.76.S95  
U1  - 005.4/3 
PY  - 1989///
CY  - Chichester, England, New York
PB  - E. Horwood, Halsted Press
KW  - Systems software
N1  - Includes bibliographies and index
ER  -