diff --git a/Lectures/L18_MISContinued/MISContinued.pdf b/Lectures/L18_MISContinued/MISContinued.pdf
index 96298739cb1a054f8f9df286574a36823ade15f0..b27b60c4147f419d67ccb1d496fe8a2cc16a73b6 100644
Binary files a/Lectures/L18_MISContinued/MISContinued.pdf and b/Lectures/L18_MISContinued/MISContinued.pdf differ
diff --git a/Lectures/L18_MISContinued/MISContinued.tex b/Lectures/L18_MISContinued/MISContinued.tex
index a48df111c7cb4f14eb18d30ba092adc66ed1c0cd..c26b61c0c969e5d50fe0d47e323ece2a79e82dfb 100755
--- a/Lectures/L18_MISContinued/MISContinued.tex
+++ b/Lectures/L18_MISContinued/MISContinued.tex
@@ -298,7 +298,7 @@ Room for more volunteers.  :-)
 
 \begin{frame}
 
-\frametitle{Quality Criteria}
+\frametitle{Quality Criteria \cite[p.\ 83]{HoffmanAndStrooper1995}}
 
 \begin{itemize}
 \item Consistent