Category:Johannes Frenzel
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German hydrobiologist (1858–1897) | |||||
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Date of birth | 4 November 1858 Poznań (Kingdom of Prussia) | ||||
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Date of death | 21 October 1897 Müggelsee (Friedrichshagen) | ||||
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Media in category "Johannes Frenzel"
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Frenzel1897-Tafel-V-cropped.jpg 2,091 × 2,741; 2.15 MB