@proceedings {12937,
	title = {Rockfall hazard and risk analysis in Sintra area},
	journal = {11th Annual Conference of the International Association for Mathematical Geology IAMG},
	year = {2006},
	pages = {S19-01},
	address = {Li{\`e}ge},
	attachments = {https://docentes.fct.unl.pt/sites/default/files/ja/files/iamg2006_rockfall_hazard.pdf},
	author = {Almeida JA and Costa CN and Kullberg JC and Vargas HS}
}
