@conference {200,
	title = {Ant Colony Optimization for Testing Concurrent Systems: Analysis of Scalability},
	booktitle = {Proceedings of the International Conference on Metaheuristics and Nature Inspired Computing (META{\textquoteright}08)},
	year = {2008},
	month = {October},
	address = {Hammamet, Tunisia},
	author = {Francisco Chicano and Enrique Alba}
}
