Delgado Rodrigues, J. and Charola, A. Elena. 2011. "Conservation Approach Diversity to Address the Decorative Elements in the Gardens of the National Palace of Queluz, Lisbon, Portugal." in Jardins de pierres: conservation de la pierre dans les parcs, jardins et cimetières : 14es journées d'étude de la SFIIC: section francaise de l'Institut international de conservation, Paris, Institut national du patrimoine, 22-24 juin 2011 = Conservation o, edited by Stefanaggi, M. and Verges-Belmin, V., 72–82. Champs-sur-Marne: SFIIC.