301.360974811
I76R
           Isard, Walter
               Regional input-output study recollections, reflections and diverse notes on the Philadelphia experience \ Walter Isard - Cambridge : MIT Press, 1971.
               xvii, 228p. - The regional science studies series/ ed. by Walter Isard .
                ISBN: 0-262-09013-9

104081
                Subjects: Philadelphia(Pa)-Regional disparities and Economic conditions; Regional planning-Philadelphia(Pa); Rural development.