@conference {SIEEUM4395,
	title = {Survey of sustainable approaches in Portugal},
	journal = {Sustainability of constructions 2008 {\textendash} Integrated Approach to Life-Time Structural Engineering},
	year = {2008},
	month = {2008-01-01 00:00:00},
	pages = {261{\textendash}270},
	publisher = {COST Action C25},
	address = {Dresden Alemanha},
	keywords = {Construction, Sustainability},
	isbn = {978-3-86780-094-5},
	url = {http://sieeum.eng.uminho.pt/publicacoes/pub.aspx?pubid=4395},
	author = {Gerv{\'a}sio, H. and Silva, S. L. and Mateus, R. and Bragan{\c c}a, L.}
}