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Language

A language of the intellectual content of the resource.

Recommended

A specific resource (an instance of scientific output) is either written in one human language or more. In these cases all used languages are used in the DC element 'language'. If a specific resource (an instance of scientific output) is written in one human language and is translated into other human languages, each translation does have its own record..
Recommended: ISO 639-x, where x can be 1,2 or 3.
Best Practice: we use ISO 639-3 and by doing so we follow:
[http://www.sil.org/ISO639-3/codes.asp]
If necessary, repeat this element to indicate multiple languages.
If ISO 639-2 and 639-1 are sufficient for the contents of a repository they can be used alternatively. Since there is a unique mapping this can be done during an aggregation process.

• Country codes ISO 3166-1 http://www.iso.org/iso/country_codes/iso_3166_code_lists/ english_country_names_and_code_elements.htm

ISO 639-3 http://www.sil.org/ISO639-3/codes.asp