National CineMedia Doubts Advertisers Will Pay Extra For 3-D
http://www.mediapost.com/publications/?fa=Articles.showArticle&art_aid=114665
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http://www.mitchellrepublic.com/event/article/id/37365/
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http://denver.bizjournals.com/denver/stories/2009/10/05/daily12.html
http://economy.kansascity.com/?q=node/3923
http://www.dcinematoday.com/dc/pr.aspx?newsID=1541