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Arthur J. Hoskin
Libri di Arthur J. Hoskin
The Business of Mining A brief non-technical exposition of the principles involved in the profitable operation of mines The Business of Mining: A brief non-technical exposition of the principles involved in the profitable operation of mines Valutazione: 0 su 5 stelle0 valutazioniThe Business of Mining: A brief non-technical exposition of the principles involved in the profitable operation of mines Valutazione: 0 su 5 stelle0 valutazioni