HarperPSS75'

@article{DBLP:journals/cacm/HarperPSS75,
  author    = {L. H. Harper and
               Thomas H. Payne and
               John E. Savage and
               E. Straus},
  title     = {Sorting X + Y},
  journal   = {Commun. ACM},
  volume    = {18},
  number    = {6},
  year      = {1975},
  pages     = {347-349},
  ee        = {http://doi.acm.org/10.1145/360825.360869},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}