http://www.dailytelegraph.com.au/technology/encyclopaedia-britannica-stops-the-never-ending-story-as-print-editions-bite-the-dust/story-fn5h1vlf-1226299200770

http://www.nydailynews.com/blogs/pageviews/2012/03/britannica-no-more-wikipedia-wins

Journalists already concluded it is due to Wikipedia

--Shiju Alex