24 March 2014 | Publisher: United States Congressional Research Service | Document type: Research, Background and Discussion Papers
October 2011 | Publisher: UN High Commissioner for Refugees (UNHCR) | Document type: Research, Background and Discussion Papers
5 February 2009 | Publisher: European Council on Refugees and Exiles | Document type: Research, Background and Discussion Papers
November 2008 | Publisher: European Council on Refugees and Exiles | Document type: Research, Background and Discussion Papers
1 June 2008 | Publisher: UN High Commissioner for Refugees (UNHCR) | Document type: Research, Background and Discussion Papers
January 2008 | Publisher: Söderköping/Cross-Border Cooperation Process | Document type: Research, Background and Discussion Papers
March 2007 | Publisher: European Union: European Parliament | Document type: Research, Background and Discussion Papers
March 2004 | Publisher: UN High Commissioner for Refugees (UNHCR) | Document type: Research, Background and Discussion Papers