@article{oai:miyazaki-u.repo.nii.ac.jp:00002318,
 author = {Uda, Hirohumi and 宇田, 廣文 and Uda, Hirofumi},
 journal = {宮崎大学教育学部紀要. 教育科学, Memoirs of the Faculty of Education Miyazaki Universiry. Education},
 month = {Mar},
 pages = {125--142},
 title = {素材としての正四面体},
 volume = {73},
 year = {1993},
 yomi = {ウダ, ヒロフミ}
}