archive.org/web/20161022114145/http://www.panoramio.com/user/4620666?with_photo_id=69755129 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031065637/http://www.panoramio.com/user/2314684?with_photo_id=118694387 operator: Panoramio described at URL: https://web.archive...
Ángel; SIERRA CANDUELA, Jorge A.; NAVARRO SANZ, Santiago; SAORÍN, Tomás (2012). "Wiki Loves Monuments 2011: the experience in Spain and reflections regarding...
archive.org/web/20161021041247/http://www.panoramio.com/user/6152432?with_photo_id=69830051 operator: Panoramio described at URL: https://web.archive...
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...
panoramio.com/user/20050?with_photo_id=72375825 operator: Panoramio described at URL: https://web.archive.org/web/20161025135525/http://www.panoramio...
archive.org/web/20161025012202/http://www.panoramio.com/user/463856?with_photo_id=78613296 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030165753/http://www.panoramio.com/user/391505?with_photo_id=120734510 operator: Panoramio described at URL: https://web.archive...
at URL: https://web.archive.org/web/20161025004524/http://www.panoramio.com/photo/80946670 determination method or standard: SHA-1 heading: 67.5 degree...