De León, Enrique - Álvarez de las Asturias, Nicolás (a cura di), La Cultura Giuridico-Canonica Medioevale, Premesse de un Dialogo Ecumenico, Giuffrè editore, Milán 2003. Ius Canonicum [Internet]. 2017 Dec. 21 [cited 2025 Jul. 14];44(88):784-90. Available from: https://revistas.unav.edu/index.php/ius-canonicum/article/view/15337