--- manual/s_algorithm/text/shap.tex	2001/11/06 15:07:32	1.4
+++ manual/s_algorithm/text/shap.tex	2005/08/08 17:57:06	1.5
@@ -1,9 +1,10 @@
-% $Header: /home/ubuntu/mnt/e9_copy/manual/s_algorithm/text/shap.tex,v 1.4 2001/11/06 15:07:32 adcroft Exp $
+% $Header: /home/ubuntu/mnt/e9_copy/manual/s_algorithm/text/shap.tex,v 1.5 2005/08/08 17:57:06 jmc Exp $
 % $Name:  $
 
 \section{Shapiro Filter} 
+\label{sect:shapiro-filter}
 
-The Shapiro filter (Shapiro 1970, 1975) is a high order horizontal 
+The Shapiro filter \cite{Shapiro_70} is a high order horizontal 
 filter that efficiently remove small scale grid noise 
 without affecting the physical structures of a field. 
 It is applied at the end of the time step %(the\_correction\_step),