diff --git a/README.md b/README.md
index 4e0479c..967e15e 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@ Alexander E. Moskalensky, Tatyana Yu. Karogodina, Alexey Yu. Vorobev,
 Sergei G. Sokolovski
 available here:
 
+* https://www.hardware-x.com/article/S2468-0672(21)00053-5/fulltext
+
 * https://www.sciencedirect.com/science/article/pii/S2468067221000535
 
 Available under: "Open Source License CC-BY 4.0"