(Q5231986)
Statements
1998
1999
1 reference
2006
2006
1 reference
2009
2009
1 reference
1 reference
2004
2006
1 reference
2008
2008
1 reference
2003
2003
1 reference
2007
2008
1 reference
2000
2003
1 reference
1 reference
21 February 2020