HIGHLIGHTS
- who: Fangzhou Li and collaborators from the Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China, University of Chinese Academy of Sciences, Beijing, China have published the article: Measuring directional urban spatial interaction in China: A migration perspective, in the Journal: PLOS ONE | DOI:10.1371/journal.pone [0171107]. January 31, 2017 of January/16,/2017
- what: In Figs 3 and 4, the size of the point represents the urban population scale, the shade and thickness of the curve represents migration intensity, and this is classified into five levels by . . .
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