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Feathers from 3 Species of Apodidae in Beijing: Scanning Electron Microscope Observation
Wang Junjie, Chen Hongyan, Liu Lei, Liu Gang, Zeng Chaohui, Xia Xiaofei
Chinese Agricultural Science Bulletin . 2020, (3): 117 -122 .  DOI: 10.11924/j.issn.1000-6850.casb20190500155