Kebangkitan ultranasionalis Jerman pada masa kepemimpinan kanselir Angela Merkel (2005-2018) (studi atas skinhead Jerman dan kekerasan rasial terhadap imigran) = The rise of German ultranationalist during chancellor Angela Merkel's reign (2005-2018) (study of German skinhead and racial violence against immigrants) / Leo Ericton