@article {Liu201578,
	title = {Revealing travel patterns and city structure with taxi trip data},
	journal = {Journal of Transport Geography},
	volume = {43},
	year = {2015},
	note = {施引文献 3},
	pages = {78-90},
	doi = {10.1016/j.jtrangeo.2015.01.016},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84922600337\&partnerID=40\&md5=559192ae6c7c99923c2214d63a780290},
	author = {X. Liu and Gong, L. and Gong, Y. and Y. Liu}
}
