@inproceedings{DBLP:conf/pods/MuralikrishnaD88,
  author    = {M. Muralikrishna and
               David J. DeWitt},
  title     = {Optimization of Multiple-Relation Multiple-Disjunct Queries},
  booktitle = {PODS},
  year      = {1988},
  pages     = {263-275},
  ee        = {http://doi.acm.org/10.1145/308386.308452},
  crossref  = {DBLP:conf/pods/88},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/pods/88,
  editor    = {Chris Edmondson-Yurkanan and
               Mihalis Yannakakis},
  title     = {Proceedings of the Seventh ACM SIGACT-SIGMOD-SIGART Symposium
               on Principles of Database Systems, March 21-23, 1988, Austin,
               Texas, USA},
  publisher = {ACM},
  year      = {1988},
  isbn      = {0-89791-263-2},
  ee        = {http://dl.acm.org/citation.cfm?id=308386},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}