?url_ver=Z39.88-2004&rft_id=doi%3A10.3390%2Fs18041036&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Lu%2C+Dang+Nhac&rft.aulast=Lu&rft.aufirst=Dang+Nhac&rft.issue=1036&rft.volume=18&rft.date=29+March+2018&rft.issn=1424-8220&rft.atitle=Vehicle+Mode+and+Driving+Activity+Detection+Based+on+Analyzing+Sensor+Data+of+Smartphones&rft.title=Sensors&rft.genre=article