From b255e5c86e52084356febef2d49a369d470d746b Mon Sep 17 00:00:00 2001
From: Ian Bell <ian.bell@nist.gov>
Date: Tue, 15 Nov 2022 15:58:39 -0700
Subject: [PATCH] Added reference

---
 doc/source/models/model_potentials.ipynb | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/doc/source/models/model_potentials.ipynb b/doc/source/models/model_potentials.ipynb
index b63c98e..b5e2753 100644
--- a/doc/source/models/model_potentials.ipynb
+++ b/doc/source/models/model_potentials.ipynb
@@ -38,7 +38,14 @@
     "         \\end{array}\\right.        \n",
     "$\n",
     "\n",
-    "from which an EOS can be developed by correlating results from molecular simulation."
+    "from which an EOS can be developed by correlating results from molecular simulation. The EOS is from:\n",
+    "\n",
+    " Rodolfo Espíndola-Heredia, Fernando del Río and Anatol Malijevsky\n",
+    " Optimized equation of the state of the\n",
+    " square-well fluid of variable range based on\n",
+    " a fourth-order free-energy expansion\n",
+    " J. Chem. Phys. 130, 024509 (2009); https://doi.org/10.1063/1.3054361\n",
+    " "
    ]
   },
   {
-- 
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