File:Leopold Ruzicka ETH-Bib Portr 00239.jpg
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Leopold_Ruzicka_ETH-Bib_Portr_00239.jpg (384 × 539 pixels, file size: 50 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:38, 3 February 2012 | ![]() | 384 × 539 (50 KB) | commons>Materialscientist | grayscale, contrast, crop |
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