?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Gwyneth&rft.aulast=Duncan&rft.au=Duncan%2C+Gwyneth&rft.title=Batch+updates+of+fields+shared+between+holdings+and+item+records&rft.date=6+June+2006&rft.genre=proceeding