@article{oai:tsukuba.repo.nii.ac.jp:00018058,
 author = {大沢, 清二 and Ohsawa, Seiji},
 journal = {筑波大学体育科学系紀要},
 month = {Mar},
 pages = {85--89},
 title = {自律神経平衡の2次元測定法の妥当性},
 volume = {4},
 year = {1981}
}