--- a/Paper/document/root.tex	Sun Feb 20 07:33:54 2011 +0000
+++ b/Paper/document/root.tex	Sun Feb 20 08:12:13 2011 +0000
@@ -5,6 +5,10 @@
 \usepackage{amssymb}
 \usepackage{tikz}
 \usepackage{pgf}
+\usetikzlibrary{arrows,automata,decorations,fit,calc}
+\usetikzlibrary{shapes,shapes.arrows,snakes,positioning}
+\usepgflibrary{shapes.misc} % LATEX and plain TEX and pure pgf
+\usetikzlibrary{matrix}
 \usepackage{pdfsetup}
 \usepackage{ot1patch}
 \usepackage{times}