TY  - BOOK
AU  - Flynn,Donal J.
TI  - Information systems requirements: determination and analysis 
SN  - 0077074467
AV  - QA 76.9 .S88F58 1992
PY  - 1992///
CY  - London
PB  - McGraw-Hill
KW  - System analysis
KW  - System design
N1  - Includes bibliographical references and index
ER  -