diff --git a/references-collections.bib b/references-collections.bib
index fdd9125..864a9a7 100644
--- a/references-collections.bib
+++ b/references-collections.bib
@@ -1,8 +1,4 @@
 %% the collections must be at the end
-
-
-
-
 @Proceedings{gudjonsdottir2022proceedings,
   editor =       {María Sigríður Guðjónsdóttir and Haraldur Auðunsson and Arkaitz Manterola Donoso and Guðmundur Kristjánsson and Ingunn Sæmundsdóttir and Joseph Timothy Foley and Marcel Kyas and Angkee Sripakagorn and Janne Roslöf and Jens Bennedsen and Kristina Edström and Natha Kuptasthien and Reidar Lyng},
   title =        {Proceedings of 18th CDIO International Conference},