Thelander, Th. <br/><br/>
Analysis of competitive relations between operation systems:General principles and their application to electric and diesel-electric traction/ 
 General principles and their application to electric and diesel-electric traction 
by TH. Thelander. 
 - Stockholm,  1956. 
 - 51 p.  illus.  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Railroads--United States<br/>Transportation, Automotive--United States.
<br/><br/><label>LC Class. No.: </label>TF23  / .T5