Jon Ahlquist (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Jon Ahlquist" in Portuguese language version.

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doi.org

Sheldon, Frederick H. (13 de agosto de 2020). «Jon Edward Ahlquist, 1944–2020». American Ornithologists' Union. The Auk. Vol. 137 (4). doi:10.1093/auk/ukaa050. Consultado em 18 de abril de 2022
Ahlquist, Jon E. (1999). «Charles G. Sibley: A commentary on 30 years of collaboration». The Auk (em inglês). 116 (3): 856–860. doi:10.2307/4089352

Sheldon, Frederick H. (13 de agosto de 2020). «Jon Edward Ahlquist, 1944–2020». American Ornithologists' Union. The Auk. Vol. 137 (4). doi:10.1093/auk/ukaa050. Consultado em 18 de abril de 2022