Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Ishinabe Shinya and Sugimori Fumio and Mori Yoshihisa,Variance in the Sex Ratio among Pintails Wintering in the Tokyo Area,Journal of the Yamashina Institute for Ornithology,13485032,Yamashina Institute for Ornitology,2005,37,1,3-10,https://cir.nii.ac.jp/crid/1390282680199591680,https://doi.org/10.3312/jyio.37.3