Citation: Et. Navarro et Lz. Yelpi, OPTIONS FOR HEDGING - MINE PLANNING SCENARIOS TO MEET CONTINGENCIES, Engineering and mining journal, 199(7), 1998, pp. 46-49
Citation: Et. Navarro et Lz. Yelpi, OPTIONS FOR HEDGING - MINE PLANNING SCENARIOS TO MEET CONTINGENCIES, Engineering and mining journal, 199(6), 1998, pp. 36-38