TY  - BOOK
AU  - Paulre E Ed.
ED  - International Conference on System Dynamics (6th : Nov  : University of Paris France)
TI  - System dynamics and the analysis of change :  Proceedings edited by E. Paulre
U1  - X:89Mp1,N80, M1 
PY  - 1981///
CY  - Amsterdam
PB  - North-Holland Netherland      
KW  - ECONOMICS
ER  -