Schmidt, Jan Peter MPI for Comparative and International Private Law, Max Planck Society;
https://max-eup2012.mpipriv.de/index.php/Juridical_Act (Any fulltext)
Schmidt, J. P. (2012). Juridical Act. In J. Basedow, K. J. Hopt, & R. Zimmermann (Eds.), The Max Planck Encyclopedia of European Private Law (pp. 1016-1020). Oxford: Oxford University Press.