TY  - BOOK
AU  - Gerking S D
TI  - Estimation of stochasic input - output models :  So   
T2  - Studies in applied regional science,3
U1  - X:89P:(B2816), L6 
PY  - 1976///
CY  - Lodon
PB  - Martinus Nighoff UK        
KW  - Production Engeeniring
ER  -