@JournalArticle {SIEEUM5086,
	title = {Modeling and vulnerability of historical city centers in seismic areas : a case study in Lisbon},
	journal = {Engineering Structures},
	number = {26},
	year = {2004},
	month = {2004-01-01 00:00:00},
	publisher = {Elsevier},
	address = {United Kingdom},
	keywords = {Cracking, Historical masonry constructions, Non-linear analysis, Seismic analysis, Seismic vulnerability},
	issn = {0141-0296},
	url = {http://sieeum.eng.uminho.pt/publicacoes/pub.aspx?pubid=5086},
	author = {Ramos, L. F. and Louren{\c c}o, P. B.}
}