@article{oai:tamabi.repo.nii.ac.jp:00000028,
 author = {山口, 祐子},
 issue = {28},
 journal = {多摩美術大学研究紀要},
 month = {},
 pages = {69--71},
 title = {重力,密度,回転（写真）},
 year = {2013}
}