Changes in Tundra Swan<i>Cygnus columbianus bewickii</i>distribution and abundance in the Yangtze River floodplainPeihao Cong, Song GuoXian, Eileen C. Rees et al.|Bird Conservation International|2011Cited by 27
Short communication Changes in Tundra Swan Cygnus columbianus bewickii distribution and abundance in the Yangtze River floodplainPeihao Cong, Song GuoXian, Lei Cao et al.|Unknown|2011Cited by 0