英媒：双汇收购史密斯菲尔德的真正原因 (China to Buy Smithfield to Get Safe Meat from U.S.)
British Broadcasting Corporation, May 30, 2013
http://www.bbc.co.uk/zhongwen/simp/press_review/2013/05/130530_press_pork_us.shtml
Related:
'China's No. 1 Butcher' Turns to U.S.
The Wall Street Journal, May 30, 2013
http://stream.wsj.com/story/latest-headlines/SS-2-63399/SS-2-242086/?mod=wsj_streaming_latest-headlines
外交部：中国政府绝不承认“旧金山和约” (China Rejects International Treaty as Basis for Japanese Sovereignty over Diaoyu)
Xinhua News Agency, May 30, 2013
http://news.sina.com.cn/c/2013-05-30/180327268994.shtml
China, Sri Lanka Agree Loans, Defence; Seek to Allay Indian Worries
Reuters, May 29, 2013
http://www.reuters.com/article/2013/05/29/us-china-srilanka-loans-idUSBRE94S0D220130529