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Kulikova, I. V.; Chelomina, G. N.; Zhuravlev, Yu N. (2003-10-01). "Low Genetic Differentiation of and Close Evolutionary Relationships between Anas platyrhynchos and Anas poecilorhyncha: RAPD–PCR Evidence". Russian Journal of Genetics. 39 (10): 1143–1151. doi:10.1023/a:1026174910872. ISSN1022-7954. S2CID23832801.