• "Hardship under the UNIDROIT Principles of International Commercial Contracts," in Global Reflections on International Law, Commerce and Dispute Resolution - Liber Amicorum in honour of Robert Briner 677 (ICC Pub. No. 693, 2005)

• "Los Principios de Unidroit, Su Aplicación en Venezuela y en el Arbitraje Internacional," in Arbitraje Comercial interno e internacional, Reflexiones teóricas y experiencias prácticas 147 (I. Valera ed., 2005)

• "The Applicable Interest Rate in International Arbitration (UNIDROIT Principles, Article 7.4.9)," 15(1) ICC Bull. 43 (2004)

• "La Anulación del Laudo Arbitral," in Estudios de Derecho Procesal Civi, Libro Homenaje a Humberto Cuenca 821 (2002)

• "International and National Arbitration: A Fading Distinction," 19(5) J. Int'l Arb. 491 (2002)

• "The New Venezuelan Arbitration Law," 11(2) ICC Bull. 6 (2000)

• "El Arbitraje Institucional," Academy of Political Science Rev. (1999)

• "Arbitration in Venezuela," in Arbitration in Latin America 90 (ICC Pub. No. 580E, 1997)

• "Unilateral Setoff and the Principles of Undroit," in Liber Amicorum en l’honneur de Serge Lazareff 545 (L. Levy and Y. Derains eds., Pedone, 2011)

• "Hardship under the UNIDROIT Principles of International Commercial Contracts," in Global Reflections on International Law, Commerce and Dispute Resolution – Liber Amicorum in honour of Robert Briner 677 (ICC Pub. No. 693, 2005)

• "Los Principios de Unidroit, Su Aplicación en Venezuela y en el Arbitraje Internacional," in Arbitraje Comercial interno e internacional – Reflexiones teóricas y experiencias prácticas 147 (I. Valera ed., 2005)

• "The Applicable Interest Rate in International Arbitration (UNIDROIT Principles, Article 7.4.9)," 15(1) ICC Bull. 43 (2004)

• "La Anulación del Laudo Arbitral," in Estudios de Derecho Procesal Civi, Libro Homenaje a Humberto Cuenca 821 (2002)

• "International and National Arbitration: A Fading Distinction," 19(5) J. Int’l Arb. 491 (2002)

• "The New Venezuelan Arbitration Law," 11(2) ICC Bull. 6 (2000)

• "El Arbitraje Institucional," Academy of Political Science Rev. (1999)

• "Arbitration in Venezuela," in Arbitration in Latin America 90 (ICC Pub. No. 580E, 1997)