TY  - BOOK
AU  - Wigander, K.
TI  - Structrured analysis design of information systems
SN  - 0-07-015061-3
U1  - 001.64 
PY  - 1986///
CY  - New York
PB  - Mcgraw-hill
KW  - Data Processing
KW  - Computer Science
ER  -