TY  - BOOK
AU  - Isard, Walter
AU  - Langford, Thomas W
TI  - Regional input-output study: recollections, reflections and diverse notes on the Philadelphia experience
SN  - 0-262-09013-9
U1  - 301.360974811 21st
PY  - 1971///
CY  - Cambridge
PB  - MIT Press
KW  - Philadelphia(Pa)-Regional disparities and Economic conditions; Regional planning-Philadelphia(Pa); Rural development
ER  -