@JournalArticle {SIEEUM7347,
	title = {Back analysis of geomechanical parameters by optimization of a 3D model of an underground structure},
	journal = {Tunnelling and Underground Space Technology},
	number = {26},
	year = {2011},
	month = {2011-01-01 00:00:00},
	pages = {659{\textendash}673},
	publisher = {Pergamon Press Ltd.},
	issn = {0886-7798},
	url = {http://sieeum.eng.uminho.pt/publicacoes/pub.aspx?pubid=7347},
	author = {Miranda, T. and Dias, D. and Eclaircy-Caudron, S. and Correia, A. G. and Costa, L. A.}
}