@article{179015,
      note = {Distributed to depository libraries in microfiche.},
      url = {http://library.usi.edu/record/179015},
      title = {Detectable warnings detectability by individuals with  visual impairments, and safety and negotiability on slopes  for persons with physical impairments : final report.  [microform] :},
      publisher = {U.S. Dept. of Transportation, Federal Transit    Administration, Office of Engineering Evaluations ;},
      recid = {179015},
      pages = {1 v.},
      address = {Washington, DC :},
      year = {1994},
}