archive.org/web/20161026215853/http://www.panoramio.com/user/2333416?with_photo_id=75064603 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...
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/20161023181755/http://www.panoramio.com/user/2766323?with_photo_id=66378606 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161019224630/http://www.panoramio.com/user/6110375?with_photo_id=66305147 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024115717/http://www.panoramio.com/user/2235739?with_photo_id=76273208 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024193204/http://www.panoramio.com/photo/74417004 determination method...
panoramio.com/user/20050?with_photo_id=68835407 operator: Panoramio described at URL: https://web.archive.org/web/20161023180315/http://www.panoramio...
archive.org/web/20161024154405/http://www.panoramio.com/user/2333416?with_photo_id=81963055 operator: Panoramio described at URL: https://web.archive...
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