TY  - BOOK
AU  - Hackl Peter Ed.
AU  -  Westlund Anders H Ed.
TI  - Economic structurl change :  Analysis and forecasti   
T2  - International Institute Fof Aplied Systems Analysis Publications
U1  - X:(B), N1 
PY  - 1991///
CY  - Berlin
PB  - Springer-Verlag          
KW  - Mathematical Economics
ER  -