diff --git a/Literature.bib b/Literature.bib
index 2be5c01..73269e5 100644
--- a/Literature.bib
+++ b/Literature.bib
@@ -46,6 +46,41 @@
             \url{https://www.brookings.edu/blog/techtank/2018/06/18/chinas-social-credit-system-spreads-to-more-daily-transactions/}}
 }
 
+
+@article{Mercer,
+    author       =  {Edward, Mercer},
+    title        =  {Causes of Cyber Crime},
+    howpublished =
+    {\url{https://itstillworks.com/causes-cyber-crime-1846.html}},
+    year         =  {2016},
+    publisher    =  {\url{itstillworks.com}},
+    note         =  {Abgerufen 20. Jänner 2019 von
+                     \url{https://itstillworks.com/causes-cyber-crime-1846.html}}
+}
+
+@article{Paul,
+    author =    {Richard, Paul and Elder, Linda},
+    title =     {Causes of Cyber Crime},
+    series =    {Foundation for Critical Thinking Press},
+    year =      {2008},
+    pages =     {1--4},
+    volume =    {1},
+    number =    {1},
+    note =      {Abgerufen 21. Jänner 2019 von
+                 \url{https://www.criticalthinking.org/files/Concepts_Tools.pdf}}
+}
+
+@article{Limer,
+    author =    {Eric, Limer},
+    title =     {How Hackers Wrecked the Internet Using DVRs and Webcams},
+    howpublished =
+    {\ur{https://www.popularmechanics.com/technology/infrastructure/a23504/mirai-botnet-internet-of-things-ddos-attack/}},
+    year =      {2016},
+    publisher    =  {\url{https://www.popularmechanics.com}},
+    note =      {Abgerufen 21. Jänner 2019 von
+                 \url{https://www.popularmechanics.com/technology/infrastructure/a23504/mirai-botnet-internet-of-things-ddos-attack/}}
+}
+
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