von Bar, C., Clive, E., Schulte-Nölke, H., Beale, H., Herre, J., Huet, J., Schlechtriem, P., Storme, M., Swann, S., Varul, P., Veneziano, A., & Zoll, F. (Eds.) (2008). Principles, definitions and model rules of European private law: draft common frame of reference (DCFR). - Interim outline ed. Sellier European Law Publishers.