@article { cabral2007,
	title = {Understanding attitudes towards public transport and private car: A qualitative study},
	journal = {Transport Policy},
	volume = {14},
	number = {6},
	year = {2007},
	pages = {478-489},
	author = {G Beir{\~a}o and Jos{\'e} Ant{\'o}nio Sarsfield Cabral}
}
