Hayes, Denis,  1944- <br/><br/>
Energy  the solar prospect 
Denis Hayes 
 - Washington  Worldwatch Institute  1977 
 - 79 p.  22 cm. 
 - Worldwatch paper  11 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Solar energy
<br/><br/><label>Dewey Class. No.: </label>333.7