?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Drury%2C+C&rft.aulast=Drury&rft.aufirst=C&rft.date=1+December+2008&rft.issn=1071-1813&rft.isbn=9781605606859&rft.title=Controllability+of+manual+and+powered+wheelchairs+for+spinal+cord+injury+users&rft.genre=proceeding