SmithS77'

BibTeX

@article{DBLP:journals/cacm/SmithS77,
  author    = {John Miles Smith and
               Diane C. P. Smith},
  title     = {Database Abstractions: Aggregation},
  journal   = {Commun. ACM},
  volume    = {20},
  number    = {6},
  year      = {1977},
  pages     = {405-413},
  ee        = {db/journals/cacm/SmithS77.html},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}