@incollection{2021:ullrich:chapter_5_, title = {Chapter 5 - Enforcement case studies}, year = {2021}, note = {}, booktitle = {Unlawful Content Online}, pages = {418--452}, edition = {1}, author = {Ullrich, Carsten}, publisher = {Nomos}, address = {Baden-Baden}, series = {Luxemburger Juristische Studien - Luxembourg Legal Studies}, volume = {21} }