@article {Gao2007468,
	title = {Spatio-temporal topological relation modeling of moving objects},
	journal = {Beijing Daxue Xuebao (Ziran Kexue Ban)/Acta Scientiarum Naturalium Universitatis Pekinensis},
	volume = {43},
	number = {4},
	year = {2007},
	note = {施引文献 3},
	pages = {468-473},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-34547660178\&partnerID=40\&md5=1bb2e0554fd459e16ed7595946770fd4},
	author = {Y. Gao and J. Zhang and X. Zhu and Y. Liu}
}
