Improvement Of Mine Productivity And Overall Economy By Modern Technology - Volume 1 : 13 World Mining Congress / 
edited by G. Almgren, I. Berge, R. Matikainen. 
 - Rotterdam :  A. A. Balkema ,  1987 
 - ix, 375 pages .:  graph, illustrations .;  25 cm 
<br/><br/> Held in Stockholm Sweden, May 31-June 5, 1987 and organized by the Swedish Mining Association, et al. 
<br/><br/><label>ISBN: </label>9061917395  RM373.37 (set) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Congresses
<br/><br/><label>Dewey Class. No.: </label>622.24  / IMP 1987