TY  - BOOK
AU  - Shlaer,Sally
AU  - Mellor,Stephen J.
TI  - Object-oriented systems analysis: modeling the world in data 
T2  - Yourdon Press computing series
SN  - 013629023X
U1  - 005.1 21
PY  - 1988///].
CY  - Englewood Cliffs, N.J.: 
PB  - Yourdon Press, 
KW  - Computer software
KW  - Development
KW  - System analysis
N1  - Includes bibliography and index
ER  -