Fossil evidence of avian crops from the Early Cretaceous of China
| Autor: | Zheng, Xiaoting, Martin, Larry D., Zhou, Zhonghe, Burnham, David A., Zhang, Fucheng, Miao, Desui |
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| Zdroj: | Proceedings of the National Academy of Sciences of the United States of America, 2011 Sep . 108(38), 15904-15907. |
| Databáze: | JSTOR Journals |
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