TY  - GEN
AU  - Yourdon, Edward.
TI  - Modern structured analysis
SN  -  8120310519
U1  - 004.21 
PY  - 1989///
CY  - New Dehli
PB  - Prentice-Hall of India pvt.ltd.
KW  - 1.Electronic data processing --Structured techniques. 2.System analysis
N1  - Includes Index
ER  -