Hartnett J P <br/><br/>
Alternative energy sources 
Hartnett J P 
 - N York   Academic        1976 
 - vii, 328p.  cm. 
<br/><br/><label>Standard No.: </label>129,588 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>X:2717z7, L6