TY  - BOOK
AU  - Ashworth,Caroline
AU  - Slater,Laurence
TI  - An introduction to SSADM version 4
SN  - 0077077253 
AV  - QA76.9.S84 A85 1993
U1  - 004.2/1 20
PY  - 1993///
CY  - London
PB  - McGraw-Hill
KW  - Electronic data processing
KW  - Structured techniques
KW  - System analysis
KW  - System design
N1  - Includes index
ER  -