archive.org/web/20161024130603/http://www.panoramio.com/user/2333416?with_photo_id=81963075 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025153556/http://www.panoramio.com/photo/81501127 determination method...
Ángel; SIERRA CANDUELA, Jorge A.; NAVARRO SANZ, Santiago; SAORÍN, Tomás (2012). "Wiki Loves Monuments 2011: the experience in Spain and reflections regarding...
File:Vista_del_islote_de_Perejil_desde_la_costa_africana.jpg licensed with Cc-by-sa-3.0 2012-11-24T09:34:52Z Ecemaml 800x504 (189636 Bytes) {{Information...
Digithum, núm. 14 (maig de 2012) | ISSN 1575-2275 Revista científica digital impulsada pels Estudis d’Arts i Humanitats. Date 31 May 2012 Source http://digithum...
n.º 14 (mayo de 2012) | ISSN 1575-2275 Revista científica digital impulsada por los Estudios de Artes y Humanidades Date 31 May 2012 Source http://digithum...
archive.org/web/20161021042931/http://www.panoramio.com/user/2333416?with_photo_id=68377354 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024154405/http://www.panoramio.com/user/2333416?with_photo_id=81963055 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030043222/http://www.panoramio.com/user/3997700?with_photo_id=91815587 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161026012927/http://www.panoramio.com/user/5949492?with_photo_id=70391744 operator: Panoramio described at URL: https://web.archive...