TY  - BOOK
AU  - Day,Richard H
TI  - Modelling economic change
T2  - contributions to economic analysis;117
SN  - 0444850562
U1  - 330.342 
PY  - 1978///
CY  - New York
PB  - North Holland Publishing Company
KW  - modelling
KW  - economic change
ER  -