?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Pham%2C+Van+Thanh&rft.aulast=Pham&rft.aufirst=Van+Thanh&rft.date=5+October+2017&rft.title=A+Novel+Step+Counter+Supporting+For+Indoor+Positioning+Based+On+Inertial+Measurement+Unit&rft.genre=proceeding