?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Nguyen%2C+Ngoc+Tan&rft.aulast=Nguyen&rft.aufirst=Ngoc+Tan&rft.date=2014&rft.title=Improvement+of+the+VLC+Localization+Method+Using+the+Extended+Kalman+Filter&rft.genre=proceeding