Link to Series in Level 1 Subscription Site
Link to Series in Level 2 Subscription Site
Link to Series in Level 0 Subscription Site
2001 02 979613.
2001 03 259701·
2001 04 69613.
2002 01 569521·
2002 02 159466·
2002 03 239415.
2002 04 249354·
2003 01 919314·
2003 02 809268.
2003 03 09236·
2003 04 249181.
2004 01 79116·
2004 02 439078·
2004 03 399024·
2004 04 198976·
2005 01 468931·
2005 02 798868.
2005 03 468858.
2005 04 478833.
2006 01 798790.
2006 02 898777.
2006 03 538743.
2006 04 708680.
2007 01 988649.
2007 02 998614·
2007 03 168559.
2007 04 788534.
2008 01 258494.
2008 02 588451.
2008 03 178384·
2008 04 828305·
2009 01 28247·
2009 02 418195.
2009 03 628099.
2009 04 218012·
2010 01 997934·
2010 02 517830.
2010 03 847761.
2010 04 577657.
2011 01 97574·
2011 02 107513.
2011 03 387436.
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