diff --git a/papers/System_safety_2011 b/papers/System_safety_2011
new file mode 120000
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--- /dev/null
+++ b/papers/System_safety_2011
@@ -0,0 +1 @@
+../presentations/System_safety_2011
\ No newline at end of file
diff --git a/presentations/System_safety_2011/noninv.png b/presentations/System_safety_2011/noninv.png
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diff --git a/presentations/System_safety_2011/submission.tex b/presentations/System_safety_2011/submission.tex
index 9051d6b..befc20f 100644
--- a/presentations/System_safety_2011/submission.tex
+++ b/presentations/System_safety_2011/submission.tex
@@ -453,7 +453,8 @@ As an example, we consider a standard non-inverting  op amp~\cite{aoe}[p.234], s
 
 \begin{figure}[h+]
  \centering
- \includegraphics[width=100pt,keepaspectratio=true]{../../noninvopamp/noninv.png}
+ %\includegraphics[width=100pt,keepaspectratio=true]{../../noninvopamp/noninv.png}
+ \includegraphics[width=100pt,keepaspectratio=true]{./noninv.png}
  % noninv.jpg: 341x186 pixel, 72dpi, 12.03x6.56 cm, bb=0 0 341 186
  \caption{Standard non inverting amplifier configuration}
  \label{fig:noninvamp}