1. Avise JC, Ankney CD, Nelson WS (1990) Mitochondrial gene trees and the evolutionary relationship of mallard and black ducks. Evolution 44:1109–1119
2. Brazil MA (1991) The Birds of Japan. Smithsonian Institution Press, Washington, D.C
3. CASS (Chinese Academy of Social Sciences) (1979) Archaeological perspectives on Yin ruins, Anyang excavations in1969–1977, China. Acta Archaeological Sinica, Institute of Archaeology 1
4. Chang H (1995) Conspectus of genetic resources of livestock. Chinese Agriculture Press, Beijing, China
5. China Chicken Breeds Collection Editing Group (1988) China chicken breeds collection. Shanghai Scientific and Technical Publishers. Shanghai, China