@book {OA302,
	title = {Processamento Digital de Sinais},
	series = {Edi{\c c}{\~a}o do Servi{\c c}o de Educa{\c c}{\~a}o e Bolsas da Funda{\c c}{\~a}o Calouste Gulbenkian},
	year = {2005},
	note = {n/a},
	month = {September},
	publisher = {Funda{\c c}{\~a}o Calouste Gulbenkian},
	organization = {Funda{\c c}{\~a}o Calouste Gulbenkian},
	abstract = {n/a},
	url = {http://oa.uninova.pt/302/},
	author = {Manuel Ortigueira}
}
