1. Halvard BUHAUG,Scott GATES (2002). The Geography of Civil War. Journal of Peace Research, 39(4), 417-433.
2. Sabine CAREY (2007). Rebellion in Africa: Disaggregating the Effect of Political Regimes. Journal of Peace Research, 44(1), 47-64.
3. P. COLLIER (2003). Breaking the conflict trap: Civil war and development policy: World Bank.
4. P. COLLIER,A. HOEFFLER (1998). On economic causes of civil war. Oxford Economic Papers, 50(4), 563-573.
5. Paul COLLIER,Anke HOEFFLER (2002). On the Incidence of Civil War in Africa. Journal of Conflict Resolution, 46(1), 13-28.
6. P. COLLIER,A. HOEFFLER (2004). Greed and grievance in civil war. Oxford Economic Papers, 56(4), 563-595.
7. J. DE NARDO (1985). Power in numbers. Princeton
8. I. DE SOYSA (2002). Paradise is a Bazaar? Greed, Creed, and Governance in Civil War. Journal of Peace Research, 39(4), 395-416.
9. James FEARON,David LAITIN (2003). Ethnicity, Insurgency, and Civil War. American Political Science Review, 97(01), 75-90.
10. James FEARON (2004). Why Do Some Civil Wars Last So Much Longer than Others?. Journal of Peace Research, 41(3), 275-301.
11. R. FRANCISCO (1995). The Relationship between Coercion and Protest An Empirical Evaluation in Three Coercive States. Journal of Conflict Resolution, 39(2), 263-282.
12. Ted GURR (2000). Ethnic Warfare on the Wane. Foreign Affairs, 79(3), 52.
13. Thomas HAMMOND,Gary MILLER (1987). The Core of the Constitution. American Political Science Review, 81(4), 1155-1174.
14. M. HECHTER (2000). Containing nationalism: Oxford University Press, USA.
15. HEGRE,H.; ELLINGSEN,T.; GATES,N. S.; GLEDITSCH (2001). Toward a Democratic Civil Peace? Democracy, Political Change, and Civil War. American Political Science Review, 95(1), 33-48.
16. William HELLER (1997). Bicameralism and Budget Deficits: The Effect of Parliamentary Structure on Government Spending. Legislative Studies Quarterly, 22(4), 485.
17. Macartan HUMPHREYS (2005). Natural Resources, Conflict, and Conflict Resolution Uncovering the Mechanisms. Journal of Conflict Resolution, 49(4), 508-537.
18. David LEONARD (2013). Democracy, Liberty and Montesquieu: Constructing Accountable Order in African Conflict States. IDS Bulletin, 44(1), 87-98.
19. A. LIJPHART (1980). Democracy in plural societies: A comparative exploration.
20. A. LIJPHART (1999). Patterns of Democracy: Government Forms and Performance in Thirty-Six Countries.
21. Robert MACCULLOCH,Silvia PEZZINI (2004). The Role of Freedom, Growth and Religion in the Taste for Revolution. London School of Economics
22. Gary MILLER,Thomas HAMMOND,Charles KILE (1996). Bicameralism and the Core: An Experimental Test. Legislative Studies Quarterly, 21(1), 83.
23. P. NEIVA (2010). Bicameralismo na Γfrica. Revista PolΓtica Hoje, 19(1
24. Philip NORTON (2007). Adding value: The role of second chambers. Asia Pacific Law Review, 15(1), 3-18.
25. M. OLSON (1971). The logic of collective action: Public goods and the theory of groups. The Logic of Collective Action
26. Marta REYNAL-QUEROL (2002). Ethnicity, Political Systems, and Civil Wars. Journal of Conflict Resolution, 46(1), 29-54.
27. William RIKER (1992). The Justification of Bicameralism. International Political Science Review, 13(1), 101-116.
28. Science Review. Science, 13, 101-16.
29. Michael ROSS (2004). How Do Natural Resources Influence Civil War? Evidence from Thirteen Cases. International Organization, 58(1), 35-67.
30. Nicholas SAMBANIS (2001). Do Ethnic and Nonethnic Civil Wars Have the Same Causes?. Journal of Conflict Resolution, 45(3), 259-282.
31. David SAMUELS,Richard SNYDER (2001). The value of a vote: malapportionment in comparative perspective. British Journal of Political Science, 31(04), 651-671.
32. David SMITH (2003). The Canadian Senate in bicameral perspective: Univ of Toronto Pr.
33. J. SNYDER (2000). From voting to violence: Democratization and nationalist conflict.
34. G. SOARES (1973). Sociedade e polΓtica no Brasil.
35. G. TSEBELIS,J. MONEY (1997). Bicameralism: Cambridge University Press.
36. J. TUCKER (2012). Can peace be engineered? Institutions, political inclusion, and ethnic conflict. Institutions, political inclusion, and ethnic conflict
37. J. UHR (2008). Bicameralism. In K. Pepperday and J. Wanna (Eds.). The Oxford Handbook of Political Institutions, 474-494.
38. James VREELAND (2008). The effect of political regime on civil war unpacking anocracy. Journal of Conflict Resolution, 52(3), 401-425.
39. N. ZAVRABYAN (n/d). Bicameralism and democracy in the Republic of Tajikistan, 1-34.
40. Artur ZIMERMAN,HΓ©lio ALVES (2007). GOVERNMENTAL REPRESSION AND LIKELIHOOD OF CIVIL WAR ONSET: WORLD ANALYSIS. Revista de ciencia polΓtica (Santiago, 27(2), 49-65.