TY  - BOOK
AU  - Wilson Ira G
AU  -  Wilson Marthann E
TI  - From idea to working model
T2  - Wiley Series on System Engineering and Analysis. Ed. by Harold Chestriut
U1  - B2893, L0 
PY  - 1970///
CY  - New York 
PB  - John Wiely        
KW  - Operational Research
N1  - Bibliography: P 258-62
ER  -