@article {Liu201028,
	title = {A point-set-based approximation for areal objects: A case study of representing localities},
	journal = {Computers, Environment and Urban Systems},
	volume = {34},
	number = {1},
	year = {2010},
	note = {施引文献 7},
	pages = {28-39},
	doi = {10.1016/j.compenvurbsys.2009.05.001},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-72549084900\&partnerID=40\&md5=45833dd0a99227c4d2a6d9906154f0b6},
	author = {Y. Liu and Yuan, Y. and Xiao, D. and Y. Zhang and J. Hu}
}
