Are States Liable for the Acts of Their Instrumentalities?, State Entities in International Arbitration (E. Gaillard, ed.), 2008;
Interim Measures of Protection in the International Tribunal for the Law of the Sea, in Coexistence, Cooperation and Solidarity – Liber Amicorum Rüdiger Wolfrum, Brill, 2011 (co‑authored with G. Hernández); Elettronica Sicula case (United States of America v. Italy), Max Planck Encyclopedia of Public International Law (R. Wolfrum, gen. ed.), Oxford University Press, 2012;
Fisheries Jurisdiction cases (United Kingdom v. Iceland; Federal Republic of Germany v. Iceland), Max Planck Encyclopedia of Public International Law (R. Wolfrum, gen. ed.), Oxford University Press, 2012;
Frontier Dispute case (Burkina Faso/Republic of Mali), Max Planck Encyclopedia of Public International Law (R. Wolfrum, gen. ed.), Oxford University Press, 2012; Sovereignty over Certain Frontier Land case (Belgium/Netherlands), Max Planck Encyclopedia of Public International Law (R. Wolfrum, gen. ed.), Oxford University Press, 2012;
The Guyana/Suriname Arbitration Award of 2007 – The Law of Maritime Delimitation: Towards Stability and Cooperation, PCA Award Series, The Hague, 2012; «Les affaires africaines devant les Chambres de la Cour internationale de Justice», in Liber Amicorum en l’honneur de Raymond Ranjeva, A. Pedone, Paris, 2013 (coauteur avec V.‑J. Proulx);
Custom and the International Court of Justice, Law and Practice of International Courts and Tribunals, 2013;
The Contribution of the International Court of Justice to the Law of the Sea, The IMLI Manual on International Maritime Law, Vol. I: The Law of the Sea, Oxford University Press 2014. Defences Based on Necessity under Customary International Law and on Emergency Clauses in Bilateral Investment Treaties, in Building International Investment Law (M. Kinnear et al., eds.), Kluwer, 2016.