Kulms, Rainer MPI for Comparative and International Private Law, Max Planck Society;
https://max-eup2012.mpipriv.de/index.php/European_Economic_Interest_Grouping_(EEIG) (Any fulltext)
Kulms, R. (2012). European Economic Interest Grouping (EEIG). In J. Basedow, K. J. Hopt, & R. Zimmermann (Eds.), The Max Planck Encyclopedia of European Private Law (pp. 592-595). Oxford: Oxford University Press.