External References

[HTML401] http://www.w3.org/TR/1999/REC-html401-19991224/appendix/notes.html#h-B.2.2.

[ISO639] http://www.infoterm.info/standardization/iso_639_1_2002.php, http://www.loc.gov/standards/iso639-2/ (contains also ISO 639-1 language codes).

[ISO3166] http://www.iso.org/iso/home/standards/country_codes.htm.

[ISO8601] http://www.iso.org/iso/catalogue_detail?csnumber=40874, http://en.wikipedia.org/wiki/ISO_8601.

[RFC1945] http://tools.ietf.org/html/rfc1945.

[RFC2104] http://tools.ietf.org/html/rfc2104.

[RFC4648] http://tools.ietf.org/html/rfc4648.

[RFC5545] http://tools.ietf.org/html/rfc5545.