IDN and URI [PDF], Michel Suignard, http://download.microsoft.com/download/a/6/0/a60decbd-9044-42f1-b9c5-1c90c7a5a8ce/a6.pdf

Verisign's list of applications and programming languages, which support the IDNA standards. http://www.verisign.com/ products-services/ naming-and-directory-services/ naming-services/ internationalized-domain-names/ page_002201.html

RFC 3987 Internationalized Resource Identifiers (IRIs), IETF Proposed Standard, Martin Dürst, Michel Suignard http://www.ietf.org/rfc/rfc3987

RFC 3986 STD 66 Uniform Resource Identifier (URI): Generic Syntax, IETF Standard, T. Berners-Lee, R. Fielding, L. Masinter, http://www.ietf.org/rfc/rfc3986

IDN and IRI test pages http://www.w3.org/International/tests/#iri

Uniform Resource Identifiers (URI): Generic Syntax http://www.ietf.org/rfc/rfc2396.txt

Martin Dürst's fileiri Apache module http://www.w3.org/2003/06/mod_fileiri/

Microsoft's recommended IDN plug-ins http://support.microsoft.com/?kbid=842848