• 

  Mammal Species of the World - Browse: przewalskii

  http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=14200651

  Mammal Species of the World: Information on przewalskii

• 

  Mammal Species of the World - Browse: przewalskii

  http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?s=y&id=14200651

  Mammal Species of the World: Information on przewalskii

• 

  Mammal Species of the World - Browse: Bovidae

  http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=14200485

  Mammal Species of the World: Information on Bovidae

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