TY  - BOOK
AU  - Grerald, Jerry Fitz Gerald, Andrew Fitz 
TI  - Fundamentals of systems analysis 
SN  - 0471-83822-5 
U1  - 004.21 GER  
PY  - 1987///
CY  - John wiley and sons 
PB  - New York 
KW  - COMPUTER ARCHITECTURE
ER  -