Just kidding! You tried going to http://www.hansferenz.de/wp-content/uploads/2017/05/Hans-Ferenz-%e2%80%93-Arbeiten-und-Auszeichnungen-%e2%80%93-Stand-2017-05-22.pdf
, which doesn't exist, so that means I probably broke something.
The following is a list of the latest posts from the blog. Maybe it will help you find what you're looking for.