Decreasing ore grades in global metallic mining: A theoretical issue or a global reality?
Calvo, G.; Mudd, G.; Valero, A.; Valero, A. (2016). Decreasing ore grades in global metallic mining: A theoretical issue or a global reality? Resources 5(4): 36. https://dx.doi.org/10.3390/resources5040036
In: Resources. MDPI AG: Basel. e-ISSN 2079-9276, more
