Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
MIZUNO Y.,Behavior of infant chimpanzees during the night in the first four months of life : Smiling and suckling in relation to arousal levels,Infancy,,,2006,9,,215-234,https://cir.nii.ac.jp/crid/1573387450180137984,