Isard, Walter. <br/><br/>
Regional input-output study  recollections, reflections, and diverse notes on the Philadelphia experience 
[by] Walter Isard and Thomas W. Langford. 
 - Cambridge, Mass.  MIT Press  [1971] 
 - xvii, 228 p.  24 cm. 
 - The Regional science studies series  10 .
<br/><br/> 920319 
<br/><br/>Bibliography: p. x. 
<br/><br/><label>ISBN: </label>0262090139 
<br/><br/><label>LCCN: </label>72137471 //r852 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Input-output tables--Pennsylvania--Philadelphia.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Philadelphia Pa.--Economic conditions.
<br/><br/><label>LC Class. No.: </label>HC108.P5  / I8 
<br/><br/><label>Dewey Class. No.: </label>339.2/3/0974811