Kulms, Rainer MPI for Comparative and International Private Law, Max Planck Society;
https://max-eup2012.mpipriv.de/index.php/European_Private_Company_(Societas_Privata_Europaea) (Any fulltext)
Kulms, R. (2012). European Private Company (Societas Private Europaea). In J. Basedow, K. J. Hopt, & R. Zimmermann (Eds.), The Max Planck Encyclopedia of European Private Law (pp. 634-637). Oxford: Oxford University Press.