@phdthesis{oai:tsukuba.repo.nii.ac.jp:00021184,
 author = {井深, 信男 and Ibuka, Nobuo},
 month = {},
 note = {2001},
 school = {筑波大学, University of Tsukuba},
 title = {概日リズムの発生と維持に関する生物心理学的研究},
 year = {2002}
}