?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Amy&rft.aulast=Shelton&rft.au=Shelton%2C+Amy&rft.isbn=9780415654760&rft.title=Visual+memory%2C+spatial+representation%2C+and+navigation&rft.date=2009&rft.genre=bookitem