1. M. Batty, The New Science of Cities (The MIT Press, Cambridge, MA, 2013)
2. V.D. Blondel, J.M. Hendricks, A. Bolshevik, J.N. Tsitsiklis, Convergence in multiagent coordination, consensus, and flocking, in Proceedings of the Joint 44th IEEE Conference on Decision and Control, European Control Conference, Seville, Spain, 12–15 Dec 2005
3. J.S. Coleman, Foundations of Social Theory (Belknap Press, Cambridge, MA, 1994)
4. M.H. De Groot, Reaching a consensus. J. Am. Stat. Assoc. 69, 118–121 (1974)
5. M. D’Errico, S. Stefani, G. Zambruno, G. Muradoglu, Opinion Dynamics and Price Formation: a Nonlinear Network Model (2014). arXiv:1408.0308v1 . 1 Aug 2014