@Misc{oldfield:datagrids-talk-microsoft,
  author = {Oldfield, Ron and Moore, Reagan},
  title = {Summary of {E}xisting {D}ata {G}rids ({G}rids for a federation of
  data, {A}pplications that use the grid)},
  year = {2000},
  month = {July},
  howpublished = {Invited talk for the plenary session of the Fourth Grid
  Forum, Microsoft, Redmond, WA}
}