Citation style copyright Sánchez Mairena, Alfonso: presentation of: e-Spania. Revue interdisciplinaire d'études hispaniques médiévales, http://e-spania.revues.org, http://recensio.net/r/1d5fd2c97ece1a10d23862530dd4fca3 This text is subject to the creative-commons-licence Attribution-NonCommercial-NoDerivs (CC-BY-NC-ND), which means that it may under these conditions be used electronically, distributed, printed, and provided for download. Here you can read the licence’s text: