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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:38, 3 September 2007 | 1,497 × 990 (164 KB) | Heops~commonswiki | {{Information |Description=photograph of the Bulgarian mathematician Boyan Petkanchin |Source=family archive |Date=1938 |Author=unknown |Permission=yes |other_versions=no }} |
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