Die Brechungsindices der Linse und der flüssigen Augenmedien des Menschen und höherer Tiere in verscheidenen Lebensaltern in vergleichenden Untersuchungen / von Gustav Freytag.

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Die Brechungsindices der Linse und der flüssigen Augenmedien des Menschen und höherer Tiere in verscheidenen Lebensaltern in vergleichenden Untersuchungen / von Gustav Freytag. In copyright. Source: Wellcome Collection.

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