@Unpublished{scheuermann:tunable,
  author = {Peter Scheuermann and Gerhard Weikum and Peter Zabback},
  title = {The Case for Tunable Disk Arrays},
  year = {1993},
  note = {Publication status unknown.},
  keywords = {parallel I/O, disk array, disk striping, pario-bib},
  comment = {Seems to be the same as scheuermann:partition.}
}