Cites articles 28
- November 1, 1977
- December 1, 1994
- January 1, 1998
- November 1, 2000
- September 13, 2001
- February 24, 2002
- February 1, 2002
- October 1, 2003
- March 10, 2005
- August 24, 2006
- October 1, 2009
- October 1, 2009
- January 3, 2009
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