Opportunities, not threats: how today's coal-mining industry can resolve problems created by past mining

2000 ◽  
Vol 109 (3) ◽  
pp. 157-164
Author(s):  
S. R. Harrison
2017 ◽  
Author(s):  
Margaret Armstrong ◽  
Alain G. Galli ◽  
Carlos Petter ◽  
Renato Aurelio Petter ◽  
Anna da Silva ◽  
...  

1996 ◽  
Vol 16 ◽  
pp. 517-529
Author(s):  
Yuuji NAGAHIRO ◽  
Kunihiro TANAKA

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