@article{oai:reitaku.repo.nii.ac.jp:00000294,
 author = {Gray, Wallace and Gray, Wallace},
 journal = {比較文明研究, Journal for the Comparative Study of Civilizations},
 month = {Jun},
 pages = {89--102},
 title = {The Wheelchair As a Civilizational Metaphor},
 volume = {17},
 year = {2012}
}