diff -r 43b303a229e1 -r 20235e6c60c0 plugins/redmine_bibliography/app/controllers/publications_controller.rb
--- a/plugins/redmine_bibliography/app/controllers/publications_controller.rb
+++ b/plugins/redmine_bibliography/app/controllers/publications_controller.rb
@@ -283,8 +283,8 @@
   end
 
   def destroy
-    find_project_by_project_id
-
+    find_project_by_project_id unless params[:project_id].nil?
+    @publication = Publication.find(params[:id])
 
     @publication.destroy