?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=David&rft.aulast=Walker&rft.au=Walker%2C+David&rft.title=Building+an+RSS+Table+of+Contents+Alerting+Service+Using+SFX+and+MetaLib&rft.date=1+August+2008&rft.genre=proceeding