李必丰上诉案开庭 绵阳警方证明射洪县非法抓人 (Court Hears Appeal of 12-Year Sentence by Li Bifeng, Sichuan Businessman and Dissident) Radio Free Asia, March 15, 2013 http://www.rfa.org/mandarin/yataibaodao/renquanfazhi/ql-03152013113801.html