Link to Series in Level 1 Subscription Site
Link to Series in Level 2 Subscription Site
Link to Series in Level 0 Subscription Site
2009 03 3534030.
2009 02 1932557.
2009 01 9131708.
2008 04 2031482.
2008 03 433426·
2008 02 3933897.
2008 01 2533543.
2007 04 9233349·
2007 03 5132000.
2007 02 6931164·
2007 01 7329711·
2006 04 7628386.
2006 03 2727116·
2006 02 9125886.
2006 01 4725196.
2005 04 1423298·
2005 03 822718.
2005 02 1321346·
2005 01 8520219·
2004 04 7719104.
2004 03 9418117·
2004 02 6617156.
2004 01 5016491.
2003 04 5915363.
2003 03 1114667·
2003 02 613704·
2003 01 3012787·
2002 04 7812286·
2002 03 811561·
2002 02 1610829.
2002 01 3910063·
2001 04 809381·
2001 03 628322.
2001 02 18382·
2001 01 128230·
2000 04 327844·
2000 03 727381·
2000 02 946491·
2000 01 155816.
1999 04 304568.
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