@inproceedings{DBLP:conf/pdis/MuthurajCVN93,
  author    = {Jaykumar Muthuraj and
               Sharma Chakravarthy and
               Ravi Varadarajan and
               Shamkant B. Navathe},
  title     = {A Formal Approach to the Vertical Partitioning Problem in
               Distributed Database Design},
  booktitle = {PDIS},
  year      = {1993},
  pages     = {26-34},
  ee        = {http://dx.doi.org/10.1109/PDIS.1993.253076},
  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}
}