Hierarchies of Spatial Network Systems
作者： Peter Nijkamp , Francesca Medda , Piet Rietveld
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narcis.nl参考文章(1)
Richard D. Alba, Charles Kadushin, The Intersection of Social Circles Sociological Methods & Research. ,vol. 5, pp. 77- 102 ,(1976) , 10.1177/004912417600500103