diff --git a/Documents/LaTeX/PearlRiver.tex b/Documents/LaTeX/PearlRiver.tex
index 75e2bc66aac5d30fbde17eee83887e6d4756ed3c..121b2af7145b3ee5f35d1d95e5779a697ff9c43e 100644
--- a/Documents/LaTeX/PearlRiver.tex
+++ b/Documents/LaTeX/PearlRiver.tex
@@ -76,4 +76,6 @@ For further clarification consult the complete documentation of the process.
 \input{considerations.tex}
 \input{ringoscillators.tex}
 
+\input{teststructures.tex}
+
 \end{document}
diff --git a/Documents/LaTeX/principle_quarter.tex b/Documents/LaTeX/principle_quarter.tex
index 9748cad2da279c59a9ea70d812d8524e5b41e386..90ddfd8987a0d2760855fd919536e545502169cf 100644
--- a/Documents/LaTeX/principle_quarter.tex
+++ b/Documents/LaTeX/principle_quarter.tex
@@ -33,7 +33,7 @@
 %%
 %%  ///////////////////////////////////////////////////////////////////
 \begin{center}
-    One Die with all Quarters
+    Principle - One Die with all Quarters
     \begin{figure}[h]
         \begin{center}
             \begin{tikzpicture}[]
diff --git a/Documents/LaTeX/teststructures.tex b/Documents/LaTeX/teststructures.tex
index 7500e341fc2169b8a326189e0dbb2e26ac6be841..4e421deda54ce8dfebe89b5e27d804ee00f69ca7 100644
--- a/Documents/LaTeX/teststructures.tex
+++ b/Documents/LaTeX/teststructures.tex
@@ -59,4 +59,6 @@
 % High-Voltage Fets
 % SONOS
 
+\subsection{Ring Oscillators}
+
 \clearpage
diff --git a/Documents/PearlRiver.pdf b/Documents/PearlRiver.pdf
index b9bffa2559414672567dc9b77c06dd5c0de4a164..bb1189c259232e620923636bb5a1cb0987cc7d68 100644
Binary files a/Documents/PearlRiver.pdf and b/Documents/PearlRiver.pdf differ