diff --git a/.azure/gpu-unittests.yml b/.azure/gpu-unittests.yml
index d271f25780f..b42cbf0b6dc 100644
--- a/.azure/gpu-unittests.yml
+++ b/.azure/gpu-unittests.yml
@@ -149,7 +149,7 @@ jobs:
         timeoutInMinutes: "5"
         # if pull request, copy the cache to the tests folder to be used in the next steps
         condition: eq(variables['Build.Reason'], 'PullRequest')
-        displayName: "Copy cached refs"
+        displayName: "Copy/Unzip cached refs"
 
       - bash: |
           python -m pytest torchmetrics --cov=torchmetrics \
@@ -202,6 +202,10 @@ jobs:
         condition: and(succeeded(), ne(variables['Build.Reason'], 'PullRequest'))
         displayName: "Update cached refs"
 
+      - bash: |
+          rm -rf tests/_cache-references/
+        displayName: "Purge cached refs"
+
       - bash: |
           python -m coverage report
           python -m coverage xml
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 82aa83564b7..3daa1760fee 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -439,4 +439,6 @@ def linkcode_resolve(domain, info) -> Optional[str]:  # noqa: ANN001
     "https://www.sciencedirect.com/science/article/pii/S0047259X08000456",
     # chrF++: words helping character n-grams
     "https://aclanthology.org/W17-4770",
+    # A wavelet transform method to merge Landsat TM and SPOT panchromatic data
+    "https://www.ingentaconnect.com/content/tandf/tres/1998/00000019/00000004/art00013",
 ]