diff --git a/old_thesis/vmgbibliography.bib b/old_thesis/vmgbibliography.bib
index 3d8657b..9067b84 100644
--- a/old_thesis/vmgbibliography.bib
+++ b/old_thesis/vmgbibliography.bib
@@ -11,6 +11,12 @@
   year =         {2007}
 }
 
+@MISC{Clark_fastzone,
+	    author = {Robin Clark},
+	        title = {Fast Zone Discrimination},
+		    year = {2007},
+  booktitle =    {Submitted to Visual Languages and Computing 2007},
+}
 
 
 @ARTICLE{stapleton:atpieds,
diff --git a/related_papers_books/my_papers/fast_zone_discrimination_VLL_2007_paper4.pdf b/related_papers_books/my_papers/fast_zone_discrimination_VLL_2007_paper4.pdf
new file mode 100644
index 0000000..cade7bd
Binary files /dev/null and b/related_papers_books/my_papers/fast_zone_discrimination_VLL_2007_paper4.pdf differ