"Umfang und Grenzen des Zeugnisverweigerungsrechts – Vollmachtsloser Vertreter" [Scope and limits of the right to refuse to testify - Proxy without power of attorney]
Scope and limits of the right to refuse to testify - Proxy without power of attorney (only available in German language)
2019
"Urteilsanmerkung, NZI 2019, 244" [Note on judgement, NZI 2019, 244]