diff --git a/references.bib b/references.bib
index 610882f..aaba8c3 100644
--- a/references.bib
+++ b/references.bib
@@ -1,12 +1,11 @@
-@article{Grubl2026a,
+@article{Grübl2026a,
 	author = {Thomas Grübl and Francisco Enguix and Burkhard Stiller},
 	title = {A review of internet censorship: Modern measurement and circumvention techniques},
 	journal = {Computer Science Review},
 	volume = {62},
-	pages = {101002},
 	publisher = {Elsevier},
 	year = {2026},
-	url = {https://www.sciencedirect.com/science/article/pii/S1574013726001103/pdfft?md5=1084c5c2ad87a52b9ebb5b630fe5c37b&pid=1-s2.0-S1574013726001103-main.pdf},
+	url = {https://www.sciencedirect.com/science/article/pii/S1574013726001103/pdfft},
 }
 
 @article{Sharma2025a,