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Tierbau und tierleben in ihrem zusammenhang betrachtet . Safel Ctcrwclt auf einer hoirtcintrcben Hufternbank ofIetn II eite SierOou Sierlebeii II Tafel Illustration biodiversitylibrary org title Doflein Franz Hesse Richard Biodiversity Heritage Library Tierbau und tierleben in ihrem zusammenhang betrachtet Anatomy Comparative