http://www.theserverside.com/tip/Combining-Annotation-and-XML-Configurations-in-your-Spring-3-Applications
http://www.w3.org/International/articles/language-tags/
http://www.w3.org/International/questions/qa-choosing-language-tags
http://stackoverflow.com/questions/929410/what-are-best-practices-for-multi-language-database-design