TY  - BOOK
AU  - Longworth,G.
TI  - A user's guide to SSADM version 4
SN  - 185554136X (pbk.) 
AV  - QA76.9.S84 L66 1992
U1  - 004.21 20
PY  - 1992///
CY  - Manchester
PB  - NCC Blackwell
KW  - Systems analysis
N1  - Includes bibliogrpahical references (p. 285-286) and index
ER  -