Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ASCHOFF Jürgen,CIRCADIAN ACTIVITY RHYTHMS IN CHAFFINCHES (FRINGILLA COELEBS) UNDER CONSTANT CONDITIONS,The Japanese Journal of Physiology,0021521X,THE PHYSIOLOGICAL SOCIETY OF JAPAN,1966,16,4,363-370,https://cir.nii.ac.jp/crid/1390001205043414400,https://doi.org/10.2170/jjphysiol.16.363