Armstead, H. Christopher H. <br/><br/>
Geothermal energy  its past, present, and future contributions to the energy needs of man 
H. Christopher H. Armstead 
 - 2nd ed. 
 - London  New York  E. & F.N. Spon  c1983 
 - xxxviii, 404 p.  ill.  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geothermal engineering<br/>Geothermal resources
<br/><br/><label>Dewey Class. No.: </label>333.79  / 2