TY  - BOOK
AU  - Barker,Richard
AU  - Barker,Barbara
TI  - CASE method: entity relationship modelling 
SN  - 0201416964
U1  - 621.392 
PY  - 1990///
CY  - Workingham, England
PB  - Addison-Wesley Pub. Co.
KW  - System analysis
KW  - Data processing
KW  - System design
KW  - Systems engineering
ER  -