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- 20:38, 23 January 2017 S. Novia Berriel talk contribs uploaded File:S Novia Berriel profile.jpg (I took this picture.)
- 23:31, 19 January 2017 S. Novia Berriel talk contribs moved page Optimal angle of concentrators for panels at different lattitudes to Optimizing reflector orientation for a solar panel at various latitudes (misspelling)
- 01:38, 13 January 2017 User account S. Novia Berriel talk contribs was created