George H. Borts <br/><br/>
Increasing returns in the railway industry/ 
George H. Borts 
 -  Journal of  political economy,  1954 
 -  ill, 
 - Journal of  political economy  62 .
<br/><br/> Increasing returns in the railway industry 
<br/><br/><label>Subjects--Topical Terms: </label><br/>economy--transportation
<br/><br/><label>Dewey Class. No.: </label>380.59