HoderKV12'

@inproceedings{DBLP:conf/popl/HoderKV12,
  author    = {Krystof Hoder and
               Laura Kov{\'a}cs and
               Andrei Voronkov},
  title     = {Playing in the grey area of proofs},
  booktitle = {POPL},
  year      = {2012},
  pages     = {259-272},
  ee        = {http://doi.acm.org/10.1145/2103656.2103689},
  crossref  = {DBLP:conf/popl/2012},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/popl/2012,
  editor    = {John Field and
               Michael Hicks},
  title     = {Proceedings of the 39th ACM SIGPLAN-SIGACT Symposium on
               Principles of Programming Languages, POPL 2012, Philadelphia,
               Pennsylvania, USA, January 22-28, 2012},
  booktitle = {POPL},
  publisher = {ACM},
  year      = {2012},
  isbn      = {978-1-4503-1083-3},
  ee        = {http://dl.acm.org/citation.cfm?id=2103656},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}