Update README.md

README.md

@@ -15,7 +15,11 @@ size_categories:
 
 # Geometry → Stress/Strain FEA Dataset
 
-Side-by-side PNG images: **left half** = geometry input, **right half** = FEA stress/strain field.
+Side-by-side PNG images: **left half** = geometry input, **right half** = FEA stress/strain field. The original data can be accessed from Supplementary Material of the mentioned work given below
+
+Z. Yang, C.-H. Yu, and M. J. Buehler, “Deep learning model to predict
+complex stress and strain fields in hierarchical composites,” Science
+Advances, vol. 7, no. 15, eabd7416, 2021.
 
 ## Subdatasets