Wellcome

Optimal exploitation of solid mineral resources :

Congress of world mining congress (12th : 1984 : New Delhi)

Optimal exploitation of solid mineral resources : World Mining Congress, New Delhi, India, November 19-23, 1984. - Calcutta : World Mining Congress, 1984. - 3 v. (p. v.) ; 20 cm.


Mineral resources conservation
Mine safety
Mines and mineral resources
Mining engineering

622 WOR-3

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