TY  - BOOK
AU  - Clark John
AU  -  Cole Sam
TI  - Global simulation models :  A comparative study   
SN  - 0 471 15899 2
U1  - B2894, L5 
PY  - 1975///
CY  - London
PB  - Wiley          
KW  - Operational Research
N1  - Bibliography: P 125-130; Appendix: P 117-124
ER  -