2012 722. Constitutional Courts as Positive Legislators en Karen B. Brown y David V. Snyder (Editors), General Reports of the XVIIIth Congress pf the International Academy of Comparative Law- Rapports Généraux du XVIIIème Congrès de lAcadémie Internationale de Droit Comparé, Springer Heidelberg , 2012. pp. 549-569