Ray, David Michael, 1935- <br/><br/>
Market potential and economic shadow 
a quantitative analysis of industrial location in southern Ontario, by D. Michael Ray 
 - University of Chicago, Chicago  Dept. of Geography  1965 
 - xvii, 164 p.: illus., maps.; 23 cm. 
 - Research paper (University of Chicago. Dept. of Geography) ; no.101. .
<br/><br/>Thesis--University of Chicago. 
<br/><br/>Bibliography: p. 159-164. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Ontario--Industries--Location<br/>Ontario--Industries