Armstead, H. C.  <br/><br/>
Geothermal energy  its past, present and future contributions: to the ergy needs of man 
H. C. Armstead 
 - 2nd ed. 
 - London  E. & F. N. Spon  1983 
 - xxxviii+404p.  illus; index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geothermal Energy
<br/><br/><label>Universal Decimal Class. No.: </label>550.367  / ARM