@conference {9607,
	title = {Assessing critical metal needs for a low carbon energy system in 2050},
	booktitle = {EEM15. 12th International Conference on the European Energy Market},
	year = {2015},
	month = {19-22 May},
	address = {Lisbon, Portugal},
	author = {Simoes, S. and Fortes, P. and Dias, L. and Seixas, J.}
}
