Shepherd, W.  1928- <br/><br/>
Energy studies / 
W. Shepherd, D. W. Shepherd. 
 - 3rd edition. 
 - xxviii, 526 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781848168503 (hbk.)  RM398.76 1848168500 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power resources.