Index: /trunk/BNC/src/bnchelp.html
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--- /trunk/BNC/src/bnchelp.html	(revision 5349)
+++ /trunk/BNC/src/bnchelp.html	(revision 5350)
@@ -2165,5 +2165,5 @@
 
 <p>
-<u>NAD83:</u> Formulas for the transformation 'ITRF2005-&gt;NAD83' are taken from 'Chris Pearson, Robert McCaffrey, Julie L. Elliott, Richard Snay 2010: HTDP 3.0: Software for Coping with the Coordinate Changes Associated with Crustal Motion, Journal of Surveying Engineering'.
+<u>NAD83:</u> Formulas for the transformation 'ITRF2008-&gt;NAD83' are taken from from ‘Chris Pearson, Richard Snay 2013: 'Introducing HTDP 3.1 to transform coordinates across time and spatial reference frames', GPS Solutions, January 2013, Volume 17, Issue 1, pp 1-15.
 </p>
 <p>
