Link to Series in Level 1 Subscription Site
Link to Series in Level 2 Subscription Site
Link to Series in Level 0 Subscription Site
1999 04 764568.
2000 01 835816.
2000 02 816491·
2000 03 177381.
2000 04 637844·
2001 01 898230·
2001 02 718382.
2001 03 148322·
2001 04 39381.
2002 01 8110063.
2002 02 5010829·
2002 03 9711561·
2002 04 4812286.
2003 01 4112787.
2003 02 3013704·
2003 03 1014667·
2003 04 7215363·
2004 01 7516491·
2004 02 4917156·
2004 03 2318117·
2004 04 7719104·
2005 01 1520219.
2005 02 7021346·
2005 03 2922718·
2005 04 8723298.
2006 01 1725196·
2006 02 8125886.
2006 03 4827116·
2006 04 5228386·
2007 01 6429711·
2007 02 9531164.
2007 03 2432000.
2007 04 4933349·
2008 01 6133543·
2008 02 5033897.
2008 03 2633426.
2008 04 7731482·
2009 01 4131708·
2009 02 832557.
2009 03 4834030·
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