@Article{towsley:cpuio-parallel,
  author = {D. Towsley and K. M. Chandy and J. C. Browne},
  title = {Models for Parallel Processing within Programs: {Application} to
  {CPU: I/O} and {I/O: I/O} Overlap},
  journal = {Communications of the ACM},
  year = {1978},
  month = {October},
  volume = {21},
  number = {10},
  pages = {821--831},
  keywords = {parallel processing, parallel I/O, pario-bib},
  comment = {Models CPU:I/O and I/O:I/O overlap within a program. ``Overlapping
  is helpful only when it allows a device to be utilized which would not be
  utilized without overlapping.'' In general the overlapping seems to help.}
}