title: Memoria histórica y aplicación retroactiva de la sanción penal. Algunos fundamentos desde el pacifismo jurídico de Hans Kelsen
abstract: The issue of the retroactive application of the criminal law has been one of the main legal problems raised regarding to legal proceedings started by judge Garzón against some of those responsible of the Franco regime for crimes of forced disappearance of thousands of people. The validity of the rule of law principle (and its derivatives lex previa, lex certa, and lex scripta lex stricta) have finally imposed above the possible retroactive application of the criminal law. To thinking about this 
journal: EUNOMÍA Revista en Cultura de la Legalidad