«Spanish Stereoscopic Commercial Photography in the 20th Century: “El Turismo Práctico” and “Rellev”». International Journal on Stereo & Immersive Media 2, no. 2 (junho 18, 2019): 4–27. Acedido agosto 8, 2026. https://revistas.ulusofona.pt/stereo/article/view/6815.