Michaels, Ralf MPI for Comparative and International Private Law, Max Planck Society;
https://heinonline.org/HOL/Page?collection=journals&handle=hein.journals/jrlpil2&id=199&men_tab=srchresults (Any fulltext)
Michaels, R. (2006). EU Law as Private International Law? Reconceptualising the Country-of-Origin Principle as Vested-Rights Theory. Journal of Private International Law, 2, 195-242.