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2006 2 363-80 1984 36 179-92 1996 60 373-80 2008 2009 13 92-104 2008 1-15 2008 39 117-27 1979 2 31-9 2000 63 526-31 2001 29 255-64 2010 73 691-7 IAEA (International Atomic Energy Agency) 1984 2005 33 247-50 1994 134 474-5 2008 9 443-7 1987 51 360-4 1993 56 1-37 1996 8 255-63 2009 40 123-31 2007 21 36-47 1994 5 23-32 1999 Guadalajara 25-8 2005 1046 75-80 1977 16 340-3 1983 47 38-44 2001 67 205-14 2009 2 204-14 2004 23 139-46 2004 20 187-96 2005 57 141-50 2006 34 1480-8