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ISO 3166-3:1999, Codes for the representation of names of countries and their subdivisions -- Part 3: Code for formerly used names of countries: ISO TC 46/WG 2: Amazon.com: Books
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Ocean Data Standards Volume 1. Recommendation to Adopt ISO 3166-1 and 3166-3 Country Codes as the standard for Identifying countries in oceanographic data exchange. Version 1.1
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