2 "Ficheiro:Radioteleskop_RT-8_-_panoramio_(1).jpg".

Ficheiro:Radioteleskop RT-8 - panoramio (1).jpg

English operator: Panoramio described at URL: https://web.archive.org/web/20161028180628/http://www.panoramio.com/photo/97151542...

Ficheiro:Radioteleskop RT-8 - panoramio.jpg

English operator: Panoramio described at URL: https://web.archive.org/web/20161028122847/http://www.panoramio.com/photo/97151527 determination method...

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