?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Ellen&rft.au=Jones%2C+Ellen&rft.aulast=Jones&rft.date=7+June+2007&rft.title=Enhancing+ALEPH+Circulation+Services+with+XML%3A%3AParser&rft.genre=proceeding