[1] B. Bollob´as, Modern Graph Theory (Springer-Verlag, New York, 2002). | ||
[2] R. Albert and A. L. Barab´asi, Rev. Mod. Phys. 74, 47 (2002). | ||
[3] R. F. Cancho and R. Sol´e, Proc. Royal Soc. B 268, 2261 (2001). | ||
[4] A. E. Motter, A. P. S. de Moura, Y.-C. Lai, and P. Dasgupta, Phys. Rev. E 65, 065102 (2002). | UIUC | |
[5] W. James, The Principles of Psychology (Dover, 1955), originally published in 1890. | ||
[6] M. S. Humphreys, J. D. Bain, and R. Pike, Psych. Rev. 96, 208 (1989). | ||
[7] D. R. Hofstadter, G?odel, Escher, Bach: An Eternal Golden Braid (Basic Books, 1999). |