?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Edward+M.&rft.aulast=Corrado&rft.au=Corrado%2C+Edward+M.&rft.title=Digital+Preservation+Policy+and+Procedures&rft.date=3+May+2013&rft.genre=proceeding