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Angst D.; Lécuyer C.; Amiot R.; Buffetaut E.; Fourel F.; Martineau F.; Legendre S.; Abourachid A.; Herrel A. Isotopic and anatomical evidence of an herbivorous diet in the Early Tertiary giant bird Gastornis. Implications for the structure of Paleocene terrestrial ecosystems. Naturwissenschaften. 2014, 101 (4): 313–322. Bibcode:2014NW....101..313A. PMID 24563098. S2CID 18518649. doi:10.1007/s00114-014-1158-2.
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jstor.org
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Buffetaut E. The giant bird Gastornis in Asia: A revision of Zhongyuanus xichuanensis Hou, 1980, from the Early Eocene of China. Paleontological Journal. 2013, 47 (11): 1302–1307. S2CID 84611178. doi:10.1134/s0031030113110051.
Angst D.; Lécuyer C.; Amiot R.; Buffetaut E.; Fourel F.; Martineau F.; Legendre S.; Abourachid A.; Herrel A. Isotopic and anatomical evidence of an herbivorous diet in the Early Tertiary giant bird Gastornis. Implications for the structure of Paleocene terrestrial ecosystems. Naturwissenschaften. 2014, 101 (4): 313–322. Bibcode:2014NW....101..313A. PMID 24563098. S2CID 18518649. doi:10.1007/s00114-014-1158-2.