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Letter
A letter from America

 

Online download statistics by month:

Online download statistics by month: September 2007 to November 2023

AbstractFullPdf
Sep 2007001
Oct 2007001
Jan 2010001
May 2010002
Jul 2010003
Aug 20100015
Sep 20100021
Oct 2010008
Dec 20100010
Feb 2011004
Mar 20110015
Apr 2011001
May 2011004
Jun 20110012
Jul 2011007
Aug 2011004
Sep 2011006
Oct 20110010
Dec 2011006
Jan 2012005
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Mar 2012004
Apr 2012015
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Aug 2012003
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Oct 20120031
Nov 20120028
Dec 2012007
Jan 2013009
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Total42622