The Unicode Consortium. <a href="http://www.unicode.org/versions/Unicode4.1.0/"><cite>The Unicode Standard, Version 4.1.0.</cite></a> Defined by: The Unicode Standard, Version 4.0 (Boston, MA, Addison-Wesley, 2003. ISBN 0-321-18578-1), as amended by Unicode 4.0.1 (http://www.unicode.org/versions/Unicode4.0.1) and by Unicode 4.1.0 (http://www.unicode.org/versions/Unicode4.1.0) URL: <a href="http://www.unicode.org/versions/Unicode4.1.0/">http://www.unicode.org/versions/Unicode4.1.0/</a>