Heinz Heck (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Heinz Heck" in English language version.

refsWebsite

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1smithsonianmag.com

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archive.org

Tudge, Colin (1992). Last Animals at the Zoo. Washington, D.C.: Island Press. ISBN 1-55963-158-9.

doi.org

Heck, H. (1951). "The Breeding-Back of the Aurochs". Oryx. 1 (3): 117–122. doi:10.1017/S0030605300035286.

smithsonianmag.com

When the Nazis Tried to Bring Animals Back From Extinction Smithsonian Magazine, Lorraine Boissoneault, March 31, 2017