TY  - BOOK
AU  - Isard, Walter
AU  - Langford,Thomas W.
TI  - Regional Input-Output Study: Recollections, Reflections, and Diverse Notes on The Philadelphia Experience
SN  - 0262090139
U1  - 339.23 
PY  - 1971///
CY  - London
PB  - The Mit Press Cambridge
ER  -