TY  - BOOK
AU  - Gane, Chris. Sarson, Trish.
TI  - Structured system analysis : tools and techniques
SN  - 138545472
U1  - 004.21  GAN;2  R 
PY  - 1979///
CY  - New Jersey
PB  - Prentice Hall
KW  - Structured,tools,techniques
ER  -