TY  - BOOK
AU  - Wigander,Karl
AU  - Werbell,Bent
AU  - Gibson,Robert
TI  - Structured analysis and design of information systems
SN  - 0070150613
U1  - 001.64 
PY  - 1986///
CY  - New York
PB  - Mcgraw-Hill book
KW  - Electronic data processing
KW  - System design
ER  -