Ayres, Eugene. <br/><br/>
Energy sources :  the wealth of the world / 
by Eugene Ayres and Charles A. Scarlott. 
 - 1st ed. 
 - New York :  McGraw-Hill,  1952. 
 - vii, 344 p. :  ill.;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power resources.
<br/><br/><label>Dewey Class. No.: </label>621  / AYE 1952