Simon Huband R. Lyndon While David Tuppurainen Philip Hingston Luigi Barone Ted Bearman Economic Optimisation of an Ore Processing Plant with a Constrained Multi-objective Evolutionary Algorithm. 962-969 2006 conf/ausai/2006 Australian Conference on Artificial Intelligence http://dx.doi.org/10.1007/11941439_105 db/conf/ausai/ausai2006.html#HubandWTHBB06