diff --git a/articles/Gaussian noise - Wikipedia/Gaussian noise - Wikipedia.pdf.txt b/articles/Gaussian noise - Wikipedia/Gaussian noise - Wikipedia.pdf.txt
new file mode 100644
index 0000000..e21e4d9
--- /dev/null
+++ b/articles/Gaussian noise - Wikipedia/Gaussian noise - Wikipedia.pdf.txt	
@@ -0,0 +1 @@
+https://en.wikipedia.org/w/index.php?title=Gaussian_noise&oldid=1164238110
diff --git a/articles/Gaussian noise - Wikipedia/Gaussian noise - Wikipedia.xopp.xml b/articles/Gaussian noise - Wikipedia/Gaussian noise - Wikipedia.xopp.xml
new file mode 100644
index 0000000..9e00e83
--- /dev/null
+++ b/articles/Gaussian noise - Wikipedia/Gaussian noise - Wikipedia.xopp.xml	
@@ -0,0 +1,12 @@
+<?xml version="1.0" standalone="no"?>
+<xournal creator="Xournal++ 1.1.3" fileversion="4">
+  <title>Xournal++ document - see https://github.com/xournalpp/xournalpp</title>
+  <page width="596.00000000" height="842.00000000">
+    <background type="pdf" domain="absolute" filename="/home/benjamin/Desktop/bens_folder/school/ens/asp/aria/internship/work/articles/Gaussian noise - Wikipedia/Gaussian noise - Wikipedia.pdf" pageno="1"/>
+    <layer/>
+  </page>
+  <page width="596.00000000" height="842.00000000">
+    <background type="pdf" pageno="2"/>
+    <layer/>
+  </page>
+</xournal>