From df8ead4ac4858bf323b30e616b8925f1ab50897a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Kubov=C4=8D=C3=ADk?=
 <74611856+markub3327@users.noreply.github.com>
Date: Tue, 19 Mar 2024 19:54:24 +0100
Subject: [PATCH] Update README.md

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 6679052..6434acc 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ observations or RGB-arrays (images) representing the game's screen.
 
 ### `FlappyBird-v0`
 1. option
-* The LIDAR sensor 180 readings
+* The LIDAR sensor 180 readings (Paper: [Playing Flappy Bird Based on Motion Recognition Using a Transformer Model and LIDAR Sensor](https://www.mdpi.com/1424-8220/24/6/1905)))
 
 2. option
 * the last pipe's horizontal position
@@ -100,4 +100,4 @@ To see a random agent playing, add an argument to the command:
 
 To see a Deep Q Network agent playing, add an argument to the command:
 
-    $ flappy_bird_gymnasium --mode dqn
\ No newline at end of file
+    $ flappy_bird_gymnasium --mode dqn