Ion, D C  <br/><br/>
Availability of water energy resources  

 - United Kingdom:   Graham & Trotman Ltd.,   1975 
 - 234p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Resources 
<br/><br/><label>Subjects--Index Terms: </label>Energy  
<br/><br/><label>Universal Decimal Class. No.: </label>620.91  / L5