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By: Medem, FedericoEdition:Publication info: [Chicago], Chicago Natural History Museum, 1958Volume: v.39:no.21 (1958)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections:
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By: Medem, FedericoEdition:Publication info: Chicago, Ill, Chicago Natural History Museum, 1955Volume: v.37:no.11 (1955)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections:
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By: Medem, FedericoType: ArticleIn: Fieldiana. ZoologyVolume: 39Series:Issue:Date: 1958Page Range: 227--247Publication Info: [Chicago] Chicago Natural History Museum [1945?-Subjects:
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By: Zangerl, Rainer, - Medem, FedericoType: ArticleIn: Bulletin of the Museum of Comparative Zoology at Harvard CollegeVolume: 119Series:Issue:Date: 1958Page Range: 373--390Publication Info: Cambridge, Mass The Museum 1863-Subjects: