1 files changed, 10 insertions, 0 deletions
diff --git a/archaeological_context_records/models.py b/archaeological_context_records/models.py
index 04639bb56..6061ad09c 100644
--- a/archaeological_context_records/models.py
+++ b/archaeological_context_records/models.py
@@ -549,6 +549,16 @@ class ContextRecord(BulkUpdatedItem, BaseHistorizedItem,
                u"/{}/{}".format(self.SLUG, slugify(self.label or u"00"))
 
     @property
+    def archaeological_site_reference(self):
+        if self.archaeological_site:
+            return self.archaeological_site.reference
+        if self.operation.archaeological_sites.count():
+            return u"-".join(
+                [a.reference for a in self.operation.archaeological_sites.all()]
+            )
+        return u""
+
+    @property
     def reference(self):
         if not self.operation:
             return "00"