diff --git a/quox.bib b/quox.bib
index c2e172d..e8954ed 100644
--- a/quox.bib
+++ b/quox.bib
@@ -329,6 +329,13 @@
   doi          = {10.1109/LICS.2000.855774},
 }
 
+@misc{ornaments,
+  author = {Conor {McBride}},
+  title  = {Ornamental Algebras, Algebraic Ornaments},
+  year   = {2011},
+  url    = {https://personal.cis.strath.ac.uk/conor.mcbride/pub/OAAO/LitOrn.pdf},
+}
+
 
 % Misc implementation