@article{Souza2010,
title = "A hybrid heuristic algorithm for the open-pit-mining operational planning problem",
journal = "European Journal of Operational Research",
volume = "207",
number = "2",
pages = "1041 - 1051",
year = "2010",
issn = "0377-2217",
doi = "10.1016/j.ejor.2010.05.031",
url = "http://www.sciencedirect.com/science/article/pii/S0377221710003875",
author = "Souza, Marcone J.F. and Coelho, Igor M. and Ribas, Sabir and Santos, Haroldo G. and Merschmann, Luiz H.C.",
keywords = "Open-pit-mining",
keywords = "Metaheuristics",
keywords = "<span style='font-family : courier'>GRASP</span>",
keywords = "Variable neighborhood search",
keywords = "Mathematical programming"
}