?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Tran%2C+Duc+Tan&rft.aulast=Tran&rft.aufirst=Duc+Tan&rft.issue=4&rft.volume=23&rft.date=2007&rft.issn=0866-8612&rft.atitle=Land-Vehicle+MEMS+INS%2FGPS+Positioning+During+GPS+Signal+Blockage+Periods&rft.title=Journal+of+Science%2C+Vietnam+National+University%2C+Hanoi&rft.pages=243-251&rft.genre=article