The Challenge of Safeguards in the WTO (Cambridge University Press, Cambridge (UK): 2014) (2015 Best Book Award by the Inter-American Bar Association) 

Solución de Diferencias ante la OMC: Presente y Perspectivas (Cameron May, London: 2008)

Solución de diferencias en la Organización Mundial del Comercio (PUCP, Lima: 2002) (2003 Best Book Award by the Inter-American Bar Association)

“Contencioso Arbitral en el marco de la OMC" in: Enciclopedia del Arbitraje (Centro de Análisis y Resolución de Conflictos de la PUCP, Lima: 2018).

"Rules on Safeguard Measures" in: Encyclopaedia of International Economic Law (Edward ElgarPublishing, Cheltenham: 2017) (co-authored with Nathalie Díaz).

"Unwritten Measures: Reflections on the Panel Reports in Argentina – Measures Affecting the Importation of Goods" (Global Trade and Customs Journal  10.2015, 1, p. 54 - 58) (co-authored with Hugo Romero).

“General Thoughts on the Standard of ‘Cogent Reasons’ in the Treatment of WTO Jurisprudence” (Global Trade and Customs Journal 9.2014, 9, p. 427 - 429).

“Government Procurement: The Question of the Benefit” (Journal of Shanghai Institute of Foreign Trade 20:6, 2013) (co-authored with Zhang Wei-wei).

“The Question of the Benefit” (Global Trade and Customs Journal 8.2013, 9, p. 293 - 296),

“Related Parties and Customs Valuation: Guidance Derived from the Panel Report Thailand – Cigarettes” (Global Trade and Customs Journal 2012, 1, 7 - 13).

“The Review of the WTO Dispute Settlement Process” (Global Trade and Customs Journal 6.2011, 7/8, p. 325 - 338).

“The Potential Rise of Trade Remedies and the WTO Dispute Settlement System” (Global Trade and Customs Journal 5.2010, 6, p.259 - 260)

“Following Precedent in WTO Litigation: The Panel Reasoning in United States—Anti-dumping Measures on Polyethylene Retail Carrier Bags from Thailand (DS383)” (Global Trade and Customs Journal 5. 2010, 5, p. 211-212)

“The Availability of a GATT Article XX Defence with Respect to a Non-GATT Claim: Changing the Rules of the Game? (Global Trade and Customs Journal 5.2010, 4, p. 172 - 175).

“The Customs Valuation Agreement Interpreted for the First Time by a WTO Panel” (Global Trade and Customs Journal 4.2009, 10, p. 335 - 336).

"The Challenge of Ongoing Conduct in WTO Dispute Settlement Procedures" (Global Trade and Customs Journal  4.2009, 7/8, 273 - 274).

"The Issue of Exclusion of Jurisdiction in the Light of the Appellate Body Report in European Communities – Bananas III (Article 21.5 II)" (Global Trade and Customs Journal  4.2009, 4, p. 129 - 130)

"The Appellate Body Report in India – Additional and Extra – Additional Duties on Imports from the United States (DS 360) Implications with Respect to the Interpretation of Article II and the Burden of Proof in WTO Dispute Settlement Proceedings" (Global Trade and Customs Journal 4.2009, 3, p. 97 - 98)

"A Brief Commentary on the Appellate Body's Report in United States, Canada: Continued Suspension of Concessions (Hormones)"(Global Trade and Customs Journal  4. 2009, 1, p. 25 - 26)

"Confirmation of the Value of Appellate Body's Jurisprudence: A Brief Note on the Appellate Body Report in US – Stainless Steel" (Global Trade and Customs Journal 3. 2008, 11/12, p. 393 - 394)

"A Pandora's Box in the Dispute Settlement Implementation Phase? Reflections on the outcome of the dispute Canada, United States – Continued Suspension of Obligations in the EC – Hormones Dispute" (Global Trade and Customs Journal 3. 2008, 9, p. 327 - 328)

"Doing as I Am Told? The Panel Report in United States—Stainless Steel (Mexico) and the Question of WTO Panels Disagreeing With Previous Appellate Body Rulings" (Global Trade and Customs Journal 3. 2008, 6, p. 329 - 330)

"Establishing a Negative Fact: Implications of the Panel Report Turkey—Rice" (Global Trade and Customs Journal 3.2008, 5, p. 191 - 192)

"Can Transaction Costs Explain the Lack of Negotiated Settlements in WTO Dispute Resolution?" (Global Trade and Customs Journal 3.2008, 4, p. 147 - 148)

"Some Thoughts on How to Make a WTO Mutually Agreed Solution Meaningful" (Global Trade and Customs Journal 3. 2008, 2, p. 81 - 82)

"A Safeguards Regime for Services" in: GATS and the Regulations of International Trade in Services (Cambridge University, 2008)

"Commentary on Article 6 of the Agreement on Subsidies and Countervailing Duties” in: The Max Planck Institute’s Commentaries on WTO Law (Max Planck Institute, 2008)

"WTO Dispute Settlement and Dispute Settlement in the 'North South' Agreements of the Americas: Considerations for Choice of Forum" (co-authored with Mr. Gary Horlick) (Journal of World Trade 41.2007, 5, p. 885 - 908)

"Practical Considerations for Trade Remedies Disputes at the National and World Trade Organization Levels" Parts (I), (II), (III), (IV) (Global Trade and Customs Journal 2:2, 2:3, 2:4, 2:5, 2007)

"The Question of Remand Authority for the Appellate Body" in: Challenges and Prospects for the WTO (Cameron May, 2005)

"Comparing the GATT and the WTO dispute settlement mechanisms: What was accomplished in the Uruguay Round?" (co-authored with Mr. Julio Lacarté-Muro) in Inter-Governmental Trade Dispute Settlement: Multilateral and Regional Approaches (Cameron May, 2004)

"Los Sistemas Unilaterales de Preferencias Arancelarias y el Principio de No-Discriminación en el Derecho de la Organización Mundial del Comercio" in Agenda Internacional (No. 17, PUCP, 2002)

Commission imposes fine on Topps for preventing parallel imports of Pokémon stickers and cards, Competition Policy Newsletter 2004(3), S. 37-38.
Europa-Institut: Z 1-1-49

TRIPS im Gemeinschaftsrecht : zu den innergemeinschaftlichen Wirkungen von WTO-Übereinkünften,  Berlin : Duncker und Humblot, 2002.
Europa-Institut: EI 3-3-12

Das TRIPS-Übereinkommen vor dem EuGH, in: Europarecht 2001, 253-261.
Europa-Institut: Z 3-1-1

Die Rechtsprechung des WTO-Streitbeilegungsgremiums in den Jahren 1995-1999 - In: German yearbook of international law 42 (1999). - Berlin : Duncker & Humblot.
Europa-Institut: AV 3-35