From 6fce1f4b24c34b528a263e6e14e41b7418f7996e Mon Sep 17 00:00:00 2001
From: Hongyu Zhang <hzhangic@gmail.com>
Date: Mon, 11 May 2020 16:37:37 -0400
Subject: [PATCH] added 2nd ref

---
 journal.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/journal.md b/journal.md
index 28ef720..ad3f797 100644
--- a/journal.md
+++ b/journal.md
@@ -21,3 +21,4 @@ Add Fri, Aug 9
 
 ## References
 Reference 1 (2018).
+Reference 2 (2020).