4Bhattacharya K, Mukherjee G, Saramaki, et al. The International Trade Network: Weighted Network Analysis and Modeling [ A ]. Chatterjee A, Chakrabarti B K. Econophysics of Markets and Business Networks [ C ]. Kolkata, India: Springer, 2007:139 - 147.
5Fagiolo G, Reyesy J, Sehiavoz S. On The Topological Properties of the World Trade Web: A Weighted Network Analysis [ J ]. Physica A : Statistical Mechanics and Its Applications ,2008,387 ( 15 ) :3868 - 3873.
6Fagiolo G, Reyesy J, Schiavoz S. The Evolution of The World Trade Web: A Weighted-Network Analysis [ J]. Journal of Evolutionary Economics,2010,20 (4) :479 - 514.