GargG86'

@article{DBLP:journals/tods/GargG86,
  author    = {Anil K. Garg and
               C. C. Gotlieb},
  title     = {Order-Preserving Key Transformations},
  journal   = {ACM Trans. Database Syst.},
  volume    = {11},
  number    = {2},
  year      = {1986},
  pages     = {213-234},
  ee        = {http://doi.acm.org/10.1145/5922.5923},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}