TY  - BOOK
AU  - Putman,Stephen H.
TI  - An empirical model of regional growth: with an application to the Northeast Megalopolis 
AV  - HC106 .5 1975
U1  - 338.9 
PY  - 1975///
CY  - Philadelphia
PB  - Univ. of Pennsylvania
KW  - Economic development
KW  - Economic development regional growth
ER  -