Chemical and geochemical aspects of fossil energy extraction / 
edited by T. F. Yen, F. K. Kawahara, R. Hertzberg 
 - Ann Arbor, Mich. :  Ann Arbor Science,  1983 
 - x, 266 p. :  ill. ;  24 cm. 
<br/><br/>p. 257 
<br/><br/><label>ISBN: </label>0250404621 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oil fields--Production methods<br/>Oil--shales<br/>Geothermal engineering<br/>Fossil fuels<br/>Coal liquefaction