Michaels, Ralf MPI for Comparative and International Private Law, Max Planck Society;
https://heinonline.org/HOL/Page?handle=hein.journals/waynlr51&id=1221&collection=journals&index=journals/waynlr (Any fulltext)
Michaels, R. (2005). The Re-State-ment of Non-State Law. The State, Choice of Law, and the Challenge from Global Legal Pluralism. Wayne law review, 51, 1209-1259.