Author: Administrative Law Excerpts (2003); Administrative Law (2 Volumes, 8th Ed. 2006); The Administrative Act (2nd Ed. 1981); El Contrato Administrativo (1999); Administrative Law Matters (1987); Performance of the Administrative Act (1970); Administrative Intervention in the Economy (2nd Ed. 1994); The strike in public services (Civitas, Madrid, 1993). Publications in: El Derecho, La Ley, Ciencias de la Administración, La Nación, La Prensa, Revista de Derecho Administrativo, Régimen de la Administración Pública. Corresponding Member of the Real Academy of Moral and Political Science of Spain, 1990—. Visiting Professor, Universidad Autonoma de Madrid, Spain, 1992. Listed by "Chambers and Partners" as one of the 100 World's Leading Lawyers (2002); Awarded with the "Legion d'Honeur" by the French Government (2003). Konex Award for "Administrative, Tax and Criminal Law" (1996). Alternate Judge, Argentine Supreme Court, 1995-1997; Visiting Scholar at the University of Paris X, Nanterre; Honorary Professor at the University "Nuestra Señora Mayor del Rosario" in Bogotá (Colombia); Honorary Professor at the Universidad Nacional de Cuyo, Mendoza; Dean, Social Museum University School of Law, 1984-1988; Universities of Buenos Aires, 1975—, Argentine Catholic University, 1982—, El Salvador's University, 1974—and Social Museum University, 1969—; General Legal Director, Secretariat of Industrial Development, 1976; Advisor, Yacimientos Petrolíferos Fiscales; Director, Political, Constitutional and Administrative Law Institute of Argentine Catholic University, 1984—; Chairman, Administrative Law Commission, Buenos Aires Association; Director of the Administrative Law Institute, Buenos Aires Academy of Law Social Sciences; Member, Drafting Committee of the State Reform Law 23,696 (1989). Director, "Revista de Derecho Administrativo," Lexis-Nexis (1989—).