@conference {SIEEUM15945,
	title = {Defini{\c c}{\~a}o e caracter{\'\i}sticas de superf{\'\i}cies de baixo ru{\'\i}do},
	journal = {7{\textordmasculine} Congresso Rodovi{\'a}rio Portugu{\^e}s},
	year = {2013},
	month = {2013-01-01 00:00:00},
	pages = {1{\textendash}9},
	publisher = {CRP},
	address = {Lisboa Portugal},
	keywords = {Classifica{\c c}{\~a}o, Pavimentos de baixo ru{\'\i}do, ru{\'\i}do pneu-pavimento, Superf{\'\i}cie de refer{\^e}ncia},
	url = {http://sieeum.eng.uminho.pt/publicacoes/pub.aspx?pubid=15945},
	author = {Freitas, E.F. and Pereira, P.}
}