Winkler09c'

BibTeX

@article{DBLP:journals/cacm/Winkler09c,
  author    = {Peter Winkler},
  title     = {Puzzled - Solutions and sources},
  journal   = {Commun. ACM},
  volume    = {52},
  number    = {6},
  year      = {2009},
  pages     = {103},
  ee        = {http://doi.acm.org/10.1145/1516046.1516069},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}