English operator: Panoramio described at URL: https://web.archive.org/web/20161026060958/http://www.panoramio.com/photo/77219324 determination method...
original. https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English URL: https://commons.wikimedia...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015151655/http://www.panoramio.com/photo/33951409 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020005826/http://www.panoramio.com/photo/56241105 determination method:...
ISSN 1575-2275 Revista científica digital impulsada por los Estudios de Artes y Humanidades Date 31 May 2012 Source http://digithum.uoc.edu/ojs/index...
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