@article{oai:geitan.repo.nii.ac.jp:00000511,
 author = {平山, 史郎 and Hirayama, S.},
 journal = {研究紀要},
 month = {Mar},
 note = {P(論文)},
 pages = {39--40},
 title = {「DANRAN」 : "Harmonious Group"},
 volume = {11},
 year = {1974}
}