@inproceedings{DBLP:conf/pdis/DeWittNB93,
  author    = {David J. DeWitt and
               Jeffrey F. Naughton and
               Joseph Burger},
  title     = {Nested Loops Revisited},
  booktitle = {PDIS},
  year      = {1993},
  pages     = {230-242},
  ee        = {http://dx.doi.org/10.1109/PDIS.1993.253088},
  crossref  = {DBLP:conf/pdis/93},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/pdis/93,
  title     = {Proceedings of the 2nd International Conference on Parallel
               and Distributed Information Systems (PDIS 1993), Issues,
               Architectures, and Algorithms, San Diego, CA, USA, January
               20-23, 1993},
  publisher = {IEEE Computer Society},
  year      = {1993},
  isbn      = {0-8186-3330-1},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}