Hayes, Denis,  1944- <br/><br/>
Rays of hope :  the transition to a post-petroleum world / 
Denis Hayes. 
 - 1st ed. 
 - New York :  Norton,  c1977. 
 - 240 p. ;  21 cm. 
<br/><br/> "A Worldwatch Institute book." 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0393064182.  0393064220 
<br/><br/><label>LCCN: </label>77023037  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power resources.<br/>Solar energy.<br/>Nuclear energy.
<br/><br/><label>LC Class. No.: </label>HD9502.A2  / H37 1977 
<br/><br/><label>Dewey Class. No.: </label>333.7 Hay/Ray