|Reference: || Barabasi, A.-L., Albert, R.,1999, Emergence of scaling in random networks, Science 286, 509–512.|
 Barabasi, A.-L., Albert, R. ,2002,Statistical mechanics of complex networks, Rev. Mod. Phys.,volume 74:47-97.
Erdős, P.,A. Rényi. ,1976,On the evolution of random graphs, Selected Papers of Alfréd Rényi, volume 2: 482-525.
 Duncan J. Watts,Steven H. Strogatz,1998,Collective dynamics of small-world networks,Nature 393, 440–442.
 Lixia Tian, Jinhui Wang, Chaogan Yan, Yong He,2010,Hemisphere and gender-related differences in small-world brain networks: A resting-state functional MRI study, NeuroImage volume 54:191-202.
M.E.J.Newman,2004, Scientific collaboration networks. II. shortest paths, weighted networks, and centrality, Phys. Rev. E., volume 64, 016132.
 Mantegna , 1999,Hierarchical structure in financial markets, Euro. Phys. J.B volume 11:193-197.
 Giovanni Bonanno, 2003, Topology of correlation-based minimal spanning trees in real and model markets, Phys. Rev.E volume 68,046130.
N. Vandewalle, F.Brisbois, X.Tordoir, 2001, Self-organized critical topology, Quantit. Finan.
 Chi K. Tse,A network perspective of the stock market, 2010,Journal of Empirical Finance volume 17:659-667.
 Adrian Cho,2009, Econophysics: Still Controversial After All These Years ,Science:Volume 325, Issue 5939, pp. 408.
 Michael Schulz ,2002,Statistical Physics and Economics: Concepts, Tools, and Applications,Springer.
 Bonanno,2001,High-frequency cross-correlation in a set of stocks,Quantit. Finan. Volume 1:96-104.
 Coronnello,C,Tumminello,M,Lillo,F,Micciche,S,Mantegna, R.N.,2005,Sector Identification in a Set of Stock Return Time Series Traded at the London Stock Exchange, Acta Physica Polonica B., volume 36, p. 2653.
J. P. Onnela,A. Chakraborti,K. Kaski, J. Kertesz, A. Kanto,2003, Phys. Rev. E volume 68, 056110.
 Jun-Hong Lin,2016,Age-related differences on the functional connectivity of insular cortex: An approach based upon small-world theory,Master Thesis of Graduate Institute of Applied Physics, College of Science NCCU.