TY  - BOOK
AU  - Gane,Christopher P.
AU  - Sarson,Trish
TI  - Structured systems analysis: tools and techniques 
SN  - 0138545472
PY  - 1979///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Electronic data processing
KW  - System analysis
N1  - Includes bibliographical references
ER  -