Multi-regional and multilingual sites - Webmaster Tools Help

http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=182192

2011-01-28 12:43:45
About rel="alternate" hreflang="x" - Webmaster Tools Help

http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=189077

2011-01-01 16:14:34