Guttman84'

@inproceedings{DBLP:conf/sigmod/Guttman84,
  author    = {Antonin Guttman},
  title     = {R-Trees: A Dynamic Index Structure for Spatial Searching},
  booktitle = {SIGMOD Conference},
  year      = {1984},
  pages     = {47-57},
  ee        = {http://doi.acm.org/10.1145/602259.602266},
  crossref  = {DBLP:conf/sigmod/84},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/sigmod/84,
  editor    = {Beatrice Yormark},
  title     = {SIGMOD'84, Proceedings of Annual Meeting, Boston, Massachusetts,
               June 18-21, 1984},
  publisher = {ACM Press},
  year      = {1984},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}