↑Janz, Lisa (2009). Dating North Asian surface assemblages with ostrich eggshell: Implications for palaeoecology and extirpation. Journal of Archaeological Science36 (9): 1982–1989. doi:10.1016/j.jas.2009.05.012.
↑J. G. Andersson, Essays on the cenozoic of northern China. Memoirs of the Geological Survey of China (Peking), Series A, No. 3 (1923), pp. 1–152, especially pp. 53–77: «On the occurrence of fossil remains of Struthionidae in China.»; and J. G. Andersson, Research into the prehistory of the Chinese. Bulletin of the Museum of Far Eastern Antiquities 15 (1943), 1–300, plus 200 plates.
Посилання
Andersson, Johan Gunnar (1923). On the occurrence of fossil remains of Struthionidae in China. In: Essays on the cenozoic of northern China. Memoirs of the Geological Survey of China (Peking), Series A, No. 3, pp. 53–77. Peking, China: Geological Survey of China.
Andersson, Johan Gunnar (1943). Researches into the prehistory of the Chinese.. Bulletin of the Museum of Far Eastern Antiquities15: 1–300, plus 200 plates.
Brands, Sheila (14 Aug 2008). Taxon: Genus Struthio. Project: The Taxonomicon. Процитовано 12 Jun 2012.
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Janz, Lisa (2009). Dating North Asian surface assemblages with ostrich eggshell: Implications for palaeoecology and extirpation. Journal of Archaeological Science36 (9): 1982–1989. doi:10.1016/j.jas.2009.05.012.