diff --git a/src/index.md b/src/index.md
index b7316d2..d4e483d 100644
--- a/src/index.md
+++ b/src/index.md
@@ -1091,6 +1091,8 @@ This sub-area covers experimental studies of sign language structure that use co
 
 @gavrilescu-etal-2024-content compared corpus, elicitation, and fieldwork methods across Greek, French, and Swedish Sign Languages to characterize the distribution of wh-signs and their non-manual markers.
 
+@martinez-guevara-curiel-2024-quantitative analyse hand locations across BSL, NGT, and LSM and find that signers organize the signing space into a Zipfian spatial hierarchy, concentrating articulation in cohesive regions more systematically than non-linguistic gesturers.
+
 ## Annotation Tools
 
 ##### ELAN - EUDICO Linguistic Annotator
diff --git a/src/references.bib b/src/references.bib
index 044e376..4ffa4c5 100644
--- a/src/references.bib
+++ b/src/references.bib
@@ -4757,6 +4757,12 @@ @inproceedings{lascar-etal-2024-annotation
       Gouiff{\`e}s, Mich{\`e}le  and
       Braffort, Annelies  and
       Danet, Claire",
+}
+
+@inproceedings{martinez-guevara-curiel-2024-quantitative,
+    title = "Quantitative Analysis of Hand Locations in both Sign Language and Non-linguistic Gesture Videos",
+    author = "Mart{\'i}nez-Guevara, Niels  and
+      Curiel, Arturo",
     editor = "Efthimiou, Eleni  and
       Fotinea, Stavroula-Evita  and
       Hanke, Thomas  and
@@ -4771,3 +4777,7 @@ @inproceedings{lascar-etal-2024-annotation
     url = "https://aclanthology.org/2024.signlang-1.22/",
     pages = "204--212"
 }
+
+    url = "https://aclanthology.org/2024.signlang-1.25/",
+    pages = "225--234"
+}