Sheahan, Richard T.,  1942- <br/><br/>
Alternative energy sources :  a strategy planning guide / 
by Richard T. Sheahan 
 - Rockville, Md. :  Aspen Systems Corp.,  1981 
 - 252 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0894433741 
<br/><br/><label>LCCN: </label>81-007940 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Renewable energy sources--Handbooks, manuals, etc<br/>Power (Mechanics)--Handbooks, manuals, etc