Fettweis, Gunter B. <br/><br/>
World coal resources :  methods of assessment and results / 
by Gunter B. Fettweis 
 - Amsterdam :  Elsevier Science,  1979 
 - 415 p. :  ill. ;  25 cm. 
 - Developments in economic geology ;  vol.10 .
<br/><br/> Translation of Weltkohlenvorrate 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0444997792 
<br/><br/><label>LCCN: </label>79-12167 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal--Reserves