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Wang, Qi, Zhuqiu Song, Yunfa Chen, Si Shen, και Zhenyu Li. Leaves and Fruits of Bauhinia (Leguminosae, Caesalpinioideae, Cercideae) From the Oligocene Ningming Formation of Guangxi, South China and Their Biogeographic Implications. BioMed Central, 2014.

Wang, Qi, et al. Leaves and Fruits of Bauhinia (Leguminosae, Caesalpinioideae, Cercideae) From the Oligocene Ningming Formation of Guangxi, South China and Their Biogeographic Implications. BioMed Central, 2014.