ISO 3166–1:2006: Codes for the representation of names of countries and their subdivisions—Part 1: Country codes
['ISO 3166–1:1997: Codes for the representation of names of countries and their subdivisions—Part 1: Country codes', 'ISO 3166–1:2006: Codes for the representation of names of countries and their subdivisions—Part 1: Country codes', 'Codes for the representation of names of countries and their subdivisions—Part 1: Country codes', 'ISO 3166:1993: Codes for the representation of names of countries', 'ISO standard edition', '1997-09-25']