@article{oai:repository.dl.itc.u-tokyo.ac.jp:00000092,
 author = {Tachi, Susumu and Mann, Robert W. and Rowell, Derek},
 issue = {9},
 journal = {IEEE transactions on biomedical engineering},
 month = {Sep},
 note = {application/pdf},
 pages = {571--577},
 title = {Quantitative Comparison of Alternative Sensory Displays for Mobility Aids for the Blind},
 volume = {30},
 year = {1983}
}