La Nacion, Dia Historico, Hace 50 años Martes 20 noviembre-1956, Trágico accidente de aviación United Nations General Assembly, Statement by the representative of Finland on behalf of the European Union, 13 September 1999.
Truy cập ngày 28 tháng 9 năm 2014.  ^ La Nacion, Dia Historico, Hace 50 años Martes 20 noviembre-1956, Trágico accidente de aviación ^ United Nations General Assembly, Statement by the representative of Finland on behalf of the European Union, 13 September 1999.