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Lianhai Hou, LuisM. Chiappe, Fucheng Zhang and Cheng-Ming Chuong (2004). New Early Cretaceous fossil from China documents a novel trophic specialization for Mesozoic birds. Naturwissenschaften. 91 (1): 22—25. Bibcode:2004NW.....91...22H. doi:10.1007/s00114-003-0489-1.
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Lianhai Hou, LuisM. Chiappe, Fucheng Zhang and Cheng-Ming Chuong (2004). New Early Cretaceous fossil from China documents a novel trophic specialization for Mesozoic birds. Naturwissenschaften. 91 (1): 22—25. Bibcode:2004NW.....91...22H. doi:10.1007/s00114-003-0489-1.
