@article {Liu2012463,
	title = {Understanding intra-urban trip patterns from taxi trajectory data},
	journal = {Journal of Geographical Systems},
	volume = {14},
	number = {4},
	year = {2012},
	note = {施引文献 34},
	pages = {463-483},
	doi = {10.1007/s10109-012-0166-z},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84866937714\&partnerID=40\&md5=b4c565dd3692bb3a64028326ef984c7d},
	author = {Y. Liu and Kang, C. and Gao, S and Xiao, Y. and Y. Tian}
}
