BibTeX record journals/jacm/AtseriasDK06

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@article{DBLP:journals/jacm/AtseriasDK06,
  author    = {Albert Atserias and
               Anuj Dawar and
               Phokion G. Kolaitis},
  title     = {On preservation under homomorphisms and unions of conjunctive queries},
  journal   = {J. {ACM}},
  volume    = {53},
  number    = {2},
  pages     = {208--237},
  year      = {2006},
  url       = {http://doi.acm.org/10.1145/1131342.1131344},
  doi       = {10.1145/1131342.1131344},
  timestamp = {Tue, 06 Mar 2007 14:22:11 +0100},
  biburl    = {http://dblp.uni-trier.de/rec/bib/journals/jacm/AtseriasDK06},
  bibsource = {dblp computer science bibliography, http://dblp.org}
}