Armstead, H. Christopher H. <br/><br/>
Heat mining :  a new source of energy / 
by H. Christopher H. Armstead and Jefferson W. Tester. 
 - London :  E. & N.F. Spon,  1986. 
 - xv, 478 p. :  ill. 
<br/><br/><label>ISBN: </label>0419122303 :  35.00 (est.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy minerals.<br/>Heat engineering.<br/>Earth temperature.
<br/><br/><label>Dewey Class. No.: </label>333.79/2