Maximizing the net present value by applying an optimal cut-off grade for long-term planning of the copper open pits

Autor Kržanović, Daniel, Kolonja, Božo, Stevanović, Dejan
Zdroj: 1. Acta Montanistica Slovaca 1. Roč. 20, č. 1 (2015), s. 49-61 1. 1335-1788