Publications

2011 2011 2010 2010 2009 2009 2008 2008 2007 2007 2006 2006 2005 2005 0.0 0.0 0.2 0.2 0.4 0.4 0.6 0.6 0.8 0.8 1.0 1.0 1.2 1.2 1.4 1.4 1.6 1.6 1.8 1.8 2.0 2.0
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