@conference {SIEEUM16713,
	title = {Flexible public transport in low density areas},
	journal = {6th International Conference on Urban Planning and Transportation},
	volume = {S{\'e}rie},
	number = {8},
	year = {2013},
	month = {2013-01-01 00:00:00},
	pages = {169{\textendash}174},
	address = {Cambridge UK},
	keywords = {Bus transport, Demand Responsive Transit, Flexible transport, Municipality of Braga},
	isbn = {ISBN : 978-1-61804-165-4},
	url = {http://sieeum.eng.uminho.pt/publicacoes/pub.aspx?pubid=16713},
	author = {Ribeiro, P. J. G. and Rocha, V.}
}