• "Voorlopige maatregelen, bewarende maatregelen en korte debatten in het kader van arbitrale procedures," in Liber Amicorum J. Van den Heuvel 213 (Kluwer, 1999)

• "Arbitrage et droit de la concurrence," 1998 Rev. dr. aff. int. / Int’l Bus. L.J. 547• "Amiable Compositeurs and their Reasoning in International Arbitration," in International Commercial Arbitration 130 (C. Schmitthoff ed., Oceana Publication Inc., 1974)

• "Examens de jurisprudence," 1959 Rev. crit. jur. 135 (co-authored with A. Bernard) and 1963 Rev. crit. jur. 190 (with A. Bernard and E. Gutt) Voorlopige maatregelen, bewarende maatregelen en korte debatten in het kader van arbitrale procedures, in Liber Amicorum J. Van den Heuvel 213 (Kluwer, 1999)

• "Arbitrage et droit de la concurrence," 1998 Rev. dr. aff. int. / Int’l Bus. L.J. 547

• "Amiable Compositeurs and their Reasoning in International Arbitration," in International Commercial Arbitration 130 (C. Schmitthoff ed., Oceana Publication Inc., 1974)

• "Examens de jurisprudence," 1959 Rev. crit. jur. 135 (co-authored with A. Bernard) and 1963 Rev. crit. jur. 190 (with A. Bernard and E. Gutt)