?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Xu%2C+Gordon&rft.aulast=Xu&rft.aufirst=Gordon&rft.date=12+May+2017&rft.title=A+cost-effective+book+inventory%3A+Hand-held+inventory+device+choosing+and+statistical+analysis&rft.genre=proceeding