Beitrag in Sammelwerk
            Ulrich Drobnig, Book IX. Proprietary security in movable assets, in: 
Christian von Bar, Eric Clive (Hrsg.), Principles, Definitions and Model Rules of European Private Law. Draft Common Frame of Reference (DCFR). Full Edition, Bd. 6, Sellier. European Law Publishers, München 2009, IX - XIV, 5389–5667.