Michaels, Ralf MPI for Comparative and International Private Law, Max Planck Society;
https://max-eup2012.mpipriv.de/index.php/Acquisition_of_Ownership_from_a_Non-Owner (Any fulltext)
Michaels, R. (2012). Acquisition of Ownership from a Non-Owner. In J. Basedow, K. J. Hopt, & R. Zimmermann (Eds.), The Max Planck Encyclopedia of European Private Law (pp. 15-18). Oxford: Oxford University Press.