http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
validez jurídica de la cláusula de anterioridad en la implementation act del TLCAN en la legislación americana
Includes bibliographical references (p. 177-192).
Vienna Convention on the Law of Treaties (1969 May 23)
North American Free Trade Agreement (1992 December 17)