@conference {SIEEUM4358,
	title = {Back analysis of geomechanical parameters using classical and artificial intelligence techniques},
	journal = {METNUM09 - Congreso de M{\'e}todos Num{\'e}ricos en Ingenier{\'\i}a},
	year = {2009},
	month = {2009-01-01 00:00:00},
	pages = {15{\textendash}15},
	publisher = {Semi},
	address = {Barcelona Spain},
	keywords = {Artificial intelligence, Back analysis, Geomechanical parameters, Optimization algorithms, Underground structures},
	isbn = {978-84-96736-66-5},
	url = {http://sieeum.eng.uminho.pt/publicacoes/pub.aspx?pubid=4358},
	author = {Miranda, T. and Costa, L. A. and Correia, A. G. and Sousa, L. R.}
}