From 26ea568d84c493ab85bc89ee5caf14751597455b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sini=C5=A1a=20Sovilj?= <sinisa.sovilj@unipu.hr>
Date: Thu, 14 Oct 2021 08:40:45 +0200
Subject: [PATCH] Reference added.

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 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index 7bbae60..b5e7e66 100644
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@@ -226,6 +226,12 @@ The mobile simulator will be automatically launched.
 This project is licensed under the Apache License 2.0 license. See the [LICENSE](LICENSE) file for details.
 
 
+## References
+1. Sovilj, S., Etinger, D., Sirotić, Z. and Pripužić, K. (2021), 
+System dynamics modeling and simulation with Kotlin. 
+*System Dynamics Review*, 37: 227-240. https://doi.org/10.1002/sdr.1686
+
+
 ## Acknowledgments
 Kotlin SD Toolkit was inspired by the great work of:
 * Drost & Stein - [System Dynamics Java-Framework](https://github.com/matthiasstein/SystemDynamics-Framework),