TY  - BOOK
AU  - Kelley,A.C.
TI  - Modeling urbanization and economic growth
AV  - SOC QA402.I5 
PY  - 1980///
CY  - Laxenburg
PB  - International Institute for Applied System Analysis
KW  - Urbanization
KW  - Mathematical models,
KW  - Economic development
ER  -