The Mineral resources potential of the earth :  proceeding of the second International Symposium, held in Hannover, Fed. Rep. of Germany, at the Federal Institute for Geosciences and Mineral Resources April 18-20, 1979 / 
editor F. Bender. 
 - Stuttgart :  Schweizerbart -'sche,  1979. 
 - 156 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>351065093X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Congresses.