Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Thomas A. Wehr,Photoperiodism in Humans and Other Primates: Evidence and Implications,Journal of Biological Rhythms,0748-7304,SAGE Publications,2001-08,16,4,348-364,https://cir.nii.ac.jp/crid/1362544420953910272,https://doi.org/10.1177/074873001129002060