diff --git a/src/index.md b/src/index.md
index 503bf77..c69c676 100644
--- a/src/index.md
+++ b/src/index.md
@@ -489,9 +489,10 @@ creating more realistic facial muscle control [@paula:mcdonald2022novel],
 supporting geometric relocations [@paula:filhol2022representation], 
 and exploring multilingual synthesis by reusing AZee descriptions of classifier and depicting constructs across LSF, DGS, and GSL [@paula:mcdonald2024multilingual].
 
-and supporting geometric relocations [@paula:filhol2022representation].
 Complementing avatar-based approaches, @sharma-etal-2024-facial synthesise French Sign Language facial expressions by mapping AZee production rules to FACS action units via FACSHuman blendshapes, enabling reusable, template-based morph animations across avatars.
 
+To validate such avatar technologies with their target audience, @picron-etal-2024-easier describe the EASIER project's deaf-led end-user evaluation methodology, combining sign-language-accessible questionnaires with focus group discussions across five sign languages.
+
 ###### SiMAX [@SiMAX2020SignLanguage] {-}
 
 is a software application developed to transform textual input into 3D animated sign language representations.
diff --git a/src/references.bib b/src/references.bib
index 226750a..3273d5a 100644
--- a/src/references.bib
+++ b/src/references.bib
@@ -4711,3 +4711,65 @@ @inproceedings{schulder-etal-2024-signs
  url = {https://aclanthology.org/2024.signlang-1.38},
  year = {2024}
 }
+}
+
+
+    title = "Signs and Synonymity: Continuing Development of the Multilingual Sign Language {W}ordnet",
+    author = {Schulder, Marc  and
+      Bigeard, Sam  and
+      Kopf, Maria  and
+      Hanke, Thomas  and
+      Kuder, Anna  and
+      W{\'o}jcicka, Joanna  and
+      Mesch, Johanna  and
+      Bj{\"o}rkstrand, Thomas  and
+      Vacalopoulou, Anna  and
+      Vasilaki, Kyriaki  and
+      Goulas, Theodore  and
+      Fotinea, Stavroula-Evita  and
+      Efthimiou, Eleni},
+}
+
+@inproceedings{vazquez-enriquez-etal-2024-signamed,
+    title = "{S}igna{M}ed: a Cooperative Bilingual {LSE}-{S}panish Dictionary in the Healthcare Domain",
+    author = "V{\'a}zquez-Enr{\'i}quez, Manuel  and
+      Alba-Castro, Jos{\'e} Luis  and
+      P{\'e}rez-P{\'e}rez, Ania  and
+      Cabeza-Pereiro, Carmen  and
+      Doc{\'i}o-Fern{\'a}ndez, Laura",
+}
+
+@inproceedings{picron-etal-2024-easier,
+    title = "The {EASIER} Mobile Application and Avatar End-User Evaluation Methodology",
+    author = "Picron, Frankie  and
+      Van Landuyt, Davy  and
+      Omardeen, Rehana  and
+      Efthimiou, Eleni  and
+      Wolfe, Rosalee  and
+      Fotinea, Stavroula-Evita  and
+      Goulas, Theodore  and
+      Tismer, Christian  and
+      Kopf, Maria  and
+      Hanke, Thomas",
+    editor = "Efthimiou, Eleni  and
+      Fotinea, Stavroula-Evita  and
+      Hanke, Thomas  and
+      Hochgesang, Julie A.  and
+      Mesch, Johanna  and
+      Schulder, Marc",
+    booktitle = "Proceedings of the LREC-COLING 2024 11th Workshop on the Representation and Processing of Sign Languages: Evaluation of Sign Language Resources",
+    month = may,
+    year = "2024",
+    address = "Torino, Italia",
+    publisher = "ELRA and ICCL",
+    url = "https://aclanthology.org/2024.signlang-1.38/",
+    pages = "343--353"
+}
+
+    url = "https://aclanthology.org/2024.signlang-1.43/",
+    pages = "386--394"
+}
+
+    url = "https://aclanthology.org/2024.signlang-1.31/",
+    pages = "276--281"
+}