BibTeX record journals/is/AstrahanSW87

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@article{DBLP:journals/is/AstrahanSW87,
  author    = {Morton M. Astrahan and
               Mario Schkolnick and
               Kyu{-}Young Whang},
  title     = {Approximating the number of unique values of an attribute without
               sorting},
  journal   = {Inf. Syst.},
  volume    = {12},
  number    = {1},
  pages     = {11--15},
  year      = {1987},
  url       = {http://dx.doi.org/10.1016/0306-4379(87)90014-7},
  doi       = {10.1016/0306-4379(87)90014-7},
  timestamp = {Thu, 25 Aug 2011 16:16:22 +0200},
  biburl    = {http://dblp.uni-trier.de/rec/bib/journals/is/AstrahanSW87},
  bibsource = {dblp computer science bibliography, http://dblp.org}
}