ADDED   mttroot/mtt/lib/comp/compound/General/Lf/Lf_abg.fig
Index: mttroot/mtt/lib/comp/compound/General/Lf/Lf_abg.fig
==================================================================
--- /dev/null
+++ mttroot/mtt/lib/comp/compound/General/Lf/Lf_abg.fig
@@ -0,0 +1,38 @@
+#FIG 3.2  Produced by xfig version 3.2.5-alpha5
+Portrait
+Center
+Metric
+A4      
+100.00
+Single
+-2
+1200 2
+2 1 0 2 0 7 100 0 -1 0.000 0 0 -1 0 0 3
+	 4050 2925 5400 2925 5175 3150
+2 1 0 2 0 7 100 0 -1 0.000 0 0 -1 0 0 3
+	 6300 2925 7650 2925 7425 3150
+2 1 0 2 0 7 100 0 -1 0.000 0 0 -1 0 0 3
+	 7875 3150 7875 4500 8100 4275
+2 1 0 2 0 7 100 0 -1 0.000 0 0 -1 0 0 3
+	 3825 4500 3825 3150 4050 3375
+2 1 0 2 0 7 100 0 -1 0.000 0 0 -1 0 0 2
+	 3600 4500 4050 4500
+2 1 0 2 0 7 100 0 -1 0.000 0 0 -1 0 0 3
+	 7875 2700 7875 1350 8100 1575
+2 1 0 2 0 7 100 0 -1 0.000 0 0 -1 0 0 2
+	 7650 1350 8100 1350
+2 1 0 2 0 7 100 0 -1 0.000 0 0 -1 0 0 2
+	 7650 3150 8100 3150
+2 1 0 2 0 7 100 0 -1 0.000 0 0 -1 0 0 2
+	 4050 2700 3600 2700
+2 1 0 2 0 7 100 0 -1 0.000 0 0 -1 0 0 3
+	 3825 1350 3825 2700 4050 2475
+2 4 0 2 31 7 101 0 -1 0.000 0 0 7 0 0 5
+	 8550 5175 3150 5175 3150 675 8550 675 8550 5175
+4 1 4 100 0 18 18 0.0000 4 270 825 3825 4950 SS:[n]\001
+4 1 4 100 0 18 18 0.0000 4 270 840 7875 4950 SS:[p]\001
+4 1 0 100 0 18 18 0.0000 4 195 150 3825 3015 0\001
+4 1 0 100 0 18 18 0.0000 4 210 405 5850 3015 AE\001
+4 1 0 100 0 18 18 0.0000 4 195 150 7875 3015 1\001
+4 1 4 100 0 18 18 0.0000 4 270 1095 7875 1125 SS:[out]\001
+4 1 4 100 0 18 18 0.0000 4 270 900 3825 1125 SS:[in]\001

ADDED   mttroot/mtt/lib/comp/compound/General/Lf/Lf_lbl.txt
Index: mttroot/mtt/lib/comp/compound/General/Lf/Lf_lbl.txt
==================================================================
--- /dev/null
+++ mttroot/mtt/lib/comp/compound/General/Lf/Lf_lbl.txt
@@ -0,0 +1,51 @@
+#SUMMARY Lf: loop gain (flow) 
+#DESCRIPTION Loop gain transfer function is formed by breaking loop
+
+## System Lf, representation lbl, language txt
+## File Lf_lbl.txt
+## Generated by MTT on Mon Dec  5 09:38:43 EST 2005
+
+  ###################################### 
+  ##### Model Transformation Tools #####
+  ######################################
+  
+  ###############################################################
+  ## Version control history
+  ###############################################################
+  ## $Id$
+  ## $Log$
+  ## Revision 1.2  2001/07/03 22:59:10  gawthrop
+  ## Fixed problems with argument passing for CRs
+  ##
+  ###############################################################
+
+## Port aliases
+#ALIAS	in	in
+#ALIAS	n	n
+#ALIAS	out	out
+#ALIAS	p	p
+
+## Argument aliases
+
+## Each line should be of one of the following forms:
+##	     a comment (ie starting with #)
+##	     component-name	cr_name	arg1,arg2,..argn
+##	     blank
+
+## ---- Component labels ----
+
+## Component type 0 (anonymous => default parameters)
+	# 0							
+
+## Component type 1 (anonymous => default parameters)
+	# 1							
+
+## Component type AE (anonymous => default parameters)
+	# AE							
+
+## Component type SS
+	[in]	SS		external,external		
+	[n]	SS		external,external		
+	[out]	SS		external,external		
+	[p]	SS		external,external		
+