@article {Liu2014526,
	title = {Quantifying the distance effect in spatial interactions},
	journal = {Beijing Daxue Xuebao (Ziran Kexue Ban)/Acta Scientiarum Naturalium Universitatis Pekinensis},
	volume = {50},
	number = {3},
	year = {2014},
	note = {施引文献 0},
	pages = {526-534},
	doi = {10.13209/j.0479-8023.2014.051},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84903879237\&partnerID=40\&md5=df9226a2f65d95b4aa12a19d92faf595},
	author = {Y. Liu and Gong, L. and Tong, Q.}
}
