Helvig Magne <br/><br/>
Chicago's external truck movements    Spatial interactions between the Chicago area and its Hinterland 
Helvig Magne 
 - NA  NA         1964 
 - University of Chicago Department of geography research paper; 90 .
<br/><br/><label>Standard No.: </label>135,274 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>X413.7376CH, K4