From 325868daa5722469ac32bb528e4a2ca7010b443b Mon Sep 17 00:00:00 2001
From: Jiuhua Hu <jiuhuahu@tamu.edu>
Date: Tue, 6 Aug 2019 17:20:41 -0600
Subject: [PATCH] add reference for Nguyen 2012

---
 doc/doxygen/references.bib | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/doc/doxygen/references.bib b/doc/doxygen/references.bib
index a502270f27..25a58ec935 100644
--- a/doc/doxygen/references.bib
+++ b/doc/doxygen/references.bib
@@ -217,6 +217,7 @@
   year =    1996
 }
 
+
 %-------------------------------------------------------------------------------
 % Step 18
 %-------------------------------------------------------------------------------
@@ -240,3 +241,23 @@
   number =  9,
   pages =   {1093--1112}
 }
+
+
+
+@article {Ngu2012,
+    AUTHOR = {Nguyen, N. C. and Peraire, J.},
+     TITLE = {Hybridizable discontinuous {G}alerkin methods for partial
+              differential equations in continuum mechanics},
+   JOURNAL = {J. Comput. Phys.},
+  FJOURNAL = {Journal of Computational Physics},
+    VOLUME = {231},
+      YEAR = {2012},
+    NUMBER = {18},
+     PAGES = {5955--5988},
+      ISSN = {0021-9991},
+   MRCLASS = {65N30},
+  MRNUMBER = {2954837},
+       DOI = {10.1016/j.jcp.2012.02.033},
+       URL = {https://doi.org/10.1016/j.jcp.2012.02.033},
+}
+
-- 
2.39.5