Optimal exploitation of solid mineral resources challenges and constraints  

 - 1st.ed. 
 - Calcutta   The 12th World Mining Congress  c.1984 
 - 4.13 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth Science
<br/><br/><label>Dewey Class. No.: </label>HZp1,N84  / M4.4