@article{oai:toyo-bunko.repo.nii.ac.jp:00003256,
 author = {HIRASE, Takao and HIRASE, Takao},
 journal = {Memoirs of the Research Department of the Toyo Bunko (The Oriental Library)},
 month = {},
 pages = {85--96},
 title = {The Emperor and the Calendar in Ancient China},
 volume = {51},
 year = {1993}
}