?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Galadriel&rft.aulast=Lackey&rft.au=Lackey%2C+Galadriel&rft.title=Extreme+Couponing+for+Ebook+Acquisitions%3A+Building+a+High-value+Ebook+Collection+While+Maintaining+Lean+Workflows&rft.date=3+May+2019&rft.genre=proceeding