Citation:Liu Y, Gong L, Tong Q. Quantifying the distance effect in spatial interactions. Beijing Daxue Xuebao (Ziran Kexue Ban)/Acta Scientiarum Naturalium Universitatis Pekinensis [Internet]. 2014;50:526-534.ExportDOI BibTex EndNote Tagged EndNote XML 附注:施引文献 0Website DOI