?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Bales%2C+Aaron&rft.aulast=Bales&rft.aufirst=Aaron&rft.date=1+May+2013&rft.title=Hathi+Trust%3A+Record+Loads+vs.+Primo+Central&rft.genre=proceeding