Hopt, Klaus J. MPI for Comparative and International Private Law, Max Planck Society;
https://www.wiso-net.de/document/HB__0CFB3176-081D-40FA-813E-DE68FEC8CF50%7CHBPM__0CFB3176-081D-40FA-813E-DE68FEC8CF50 (Any fulltext)
Hopt, K. J. (2016). Aktienrecht? Bitte weniger deutsche Strenge! < ad Satzungsstrenge >. Handelsblatt, (32), 12.