[1] B. Jones, B. Radcliff, C. Taber, R. Timpone, Am. Political Sci. Rev. 89, 137 (1995).

[2] W. Richards, B.D. McKay, J. Math. Psy. 46, 338 (2002).

[3] M. Lim, R. Metzler, Y. Bar-Yam, Science 317, 1540 (2007).

[4] T. Hadzibeganovic, D. Stauffer, C. Schulze, "Political vs. linguistic factors in competition between Southeast-European languages: The challenges of computational models". To be submitted to J. Multiling. Multicultural Develop.

[5] S. Mønnesland, Bosnisk, kroatisk, serbisk, in: Standardspr°ak underveis - Historien til ?atte orientalske og ?steuropeiske spr?ak. Unipub forlag, Oslo, 2004, pp. 41-62.

[6] S. Mønnesland, Abstracts of the 11th Intl. Conf. Minority Lang. (ICML 11), p. 39 (2007).

[7] A.I. Houston, J.M. McNamara, M.D. Steer, Biology Lett. 3, 365 (2007).

[8] G. Deffuant, D. Neau, F. Amblard, G. Weisbuch, Adv. Compl. Syst. 3, 87 (2000). G. Deffuant, F. Amblard, G. Weisbuch, T. Faure, Journal of Artificial Societies and Social Simulation 5, issue 4, paper 1 (jasss.soc.surrey.ac.uk) (2002). G. Weisbuch, Eur. Phys. J. B 38, 339 (2004); F. Amblard and G. Deffuant, Physica A 343, 725 (2004).

[9] R. Hegselmann, U. Krause, Journal of Artificial Societies and Social Simulation 5, issue 3, paper 2 (jasss.soc.surrey.ac.uk) (2002). U. Krause, p.37 in: Modellierung und Simulation von Dynamiken mit vielen interagierenden Akteuren, ed. by U. Krause, M. Stockler, Bremen University, Jan. 1997.

[10] K. Sznajd-Weron, J. Sznajd, Int. J. Mod. Phys. C 11, 1157 (2000).

[11] R. Axelrod, J. Conflict Resolut. 41, 203 (1997).

[12] M. San Miguel, V.M. Egu?iluz, R. Toral, Computing Sci. Engin 7, 67 (Nov/Dec 2005)

[13] C. Schulze, Int. J. Mod. Phys. C 14, 95 (2003) and 15, 569 (2004); K. Sznajd-Weron and R. Weron, Physica A 324, 437 (2003).

[14] C. Schulze, Int. J. Mod. Phys. C 16, 351 (2005)

[15] Y.-F. Hsu, M. Regenwetter, J.-C. Falmagne, J. Math. Psy. 49, 276 (2005).

[16] E. Ben-Naim. L.Frachebourg and P.L. Krapivsky, Physl Rev. E 53, 3078 (1996); M. Howard and C. Godr`eche, J. Phys. A 31, L 209) (1998); J.M. Drouffe and C. Godreche, ibid 32, 249 (1999).

[17] M. T. Ullman, Nature Rev. Neurosci. 2, 717 (2001).

[18] F. Crick, C. Koch, Nature Neurosci. 6, 119 (2003).

[19] D.A. Kahneman, Am. Psychologist 58, 697 (2003).

[20] D. Abrams, S.H. Strogatz, Nature 424, 900 (2003).

[21] J. Mira, A. Paredes, Europhys. Lett. 69, 1031 (2005).

[22] M. Ehala, in: Historical Linguistics Volume II: Germanic Linguistics, edited by R.M. Hogg and L. van Bergen. Current Issues in Linguistic Theory 162. Amsterdam and Philadelphia, 1998. pp. 73-88.

[23] A.Y. Aikhenvald, in: The Amazonian Languages, edited by R.M.W. Dixon and A.Y. Aikhenvald, Cambridge University Press, Cambridge 1999, pp. 385-415.

[24] J.C.R. Alcantud, J. Math. Psy. 46, 418 (2002).

[25] P. Niyogi, The Computational Nature of Language Learning and Evolution. Cambridge and London: The MIT Press 2006.

[26] C. Schulze, D. Stauffer, S. Wichmann, Comm. Comput. Phys. 3, 271 (2007).

[27] T. Gong, W.S.Y. Wang, Language and Linguistics 6, 1 (2005); J. W. Minett, W.S.Y. Wang, Lingua, in press (2007); J. Ke, T. Gong, W.S.Y. Wang, Comm. Comput. Phys., in press.