Legal Requirements for Electronic Mailboxes for Customers (only available in German language)
February 2020
"Rechtliche Vorgaben für Kunden-Online-Postfächer" [Legal Requirements for Electronic Mailboxes for Customers]
"Erschienen in NJW 2020, S. 569 – 574" [Published in NJW 2020, p. 569 – 574].