Davidson Ralph Kirby <br/><br/>
Price discrimination in selling gas and electricit 
Davidson Ralph Kirby 
 -  1955 
 - Johns Hopkings University Studies in Historical and Political Science Series, 72. (1954)  N0.1. .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical
<br/><br/><label>Dewey Class. No.: </label>X9 D66:76, J5