?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Johnson%2C+Craig&rft.aulast=Johnson&rft.aufirst=Craig&rft.date=2011&rft.title=Ex+Libris+Company+and+Product+Update&rft.genre=proceeding