Michaels, Ralf MPI for Comparative and International Private Law, Max Planck Society;
Michaels, R. (2015). Preamble I: Purposes, legal nature, and scope of the PICC; applicability by courts; use of the PICC for the purpose of interpretation and supplementation and as a model. In S. Vogenauer (Ed.), Commentary on the UNIDROIT principles of international commercial contracts (PICC) (2, pp. 31-109). Oxford: Oxford University Press.