Ito, Y. “The Painted Brick-Course Trompe l’oeil Vaults of the Church of Santiago De Peñalba and Aesthetic Loans in Ancient Monuments in 10th-Century Kingdom of León”. Anuario Del Departamento De Historia Y Teoría Del Arte, vol. 24, Nov. 2012, pp. 9-26, doi:10.15366/anuario2012.24.001.