تشيستر آرنولد (Arabic Wikipedia)

Analysis of information sources in references of the Wikipedia article "تشيستر آرنولد" in Arabic language version.

refsWebsite

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1books.google.com

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1web.archive.org

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books.google.com

Scott، R.A. (1995). "Chester A. Arnold (1901-1977): Portrait of an American paleobotanist". في W.، Culp Darrah (المحرر). Historical perspective of early twentieth century Carboniferous paleobotany in North America. Paul C. Lyons, Elsie Darrah Morey, Robert Herman Wagner. Geological Society of America. ج. 185. ص. 215–224. اطلع عليه بتاريخ 2010-09-06.

umich.edu

deepblue.lib.umich.edu

Arnold، C.A. (1955). "A Tertiary Azolla from British Columbia" (PDF). Contributions from the Museum Of. Paleontology, University of Michigan. ج. 12 ع. 4: 37–45. مؤرشف من الأصل (PDF) في 2012-03-02.

web.archive.org

Arnold، C.A. (1955). "A Tertiary Azolla from British Columbia" (PDF). Contributions from the Museum Of. Paleontology, University of Michigan. ج. 12 ع. 4: 37–45. مؤرشف من الأصل (PDF) في 2012-03-02.