@article {Xue2008413,
	title = {Comparison between two cognitive map externalization methods: A case study of Beijing},
	journal = {Beijing Daxue Xuebao (Ziran Kexue Ban)/Acta Scientiarum Naturalium Universitatis Pekinensis},
	volume = {44},
	number = {3},
	year = {2008},
	note = {施引文献 2},
	pages = {413-420},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-45449085435\&partnerID=40\&md5=4b79f15f2525c79e250bb32b6fdb8a40},
	author = {Xue, L. and Shen, S. and Y. Liu and Y. Tian}
}
