?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Dung-Lan&rft.aulast=Chen&rft.au=Chen%2C+Dung-Lan&rft.title=EDI+Before+and+After%3A+How+We+Automated+Our+Acquisitions+Process+and+What's+Involved+to+Make+It+Work%3F&rft.date=April+2007&rft.genre=proceeding