@conference {OA792,
	title = {Pilhas de Combust{\'\i}vel como Fonte Limpa de Energia El{\'e}ctrica},
	booktitle = {X Portuguese-Spanish Congress in Electrical Engineering},
	year = {2007},
	note = {n/a},
	abstract = {n/a},
	url = {http://oa.uninova.pt/792/},
	author = {Amadeu Rodrigues and M{\'a}rio Neves and Jo{\~a}o Pina}
}
