?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Steenbergen%2C+James&rft.aufirst=James&rft.aulast=Steenbergen&rft.date=15+June+2004&rft.title=Upgrade+Express+in+North+America%3A+What+to+Expect+(And+When!)&rft.genre=proceeding