@article{DBLP:journals/endm/GolumbicMR05,
  author    = {Martin Charles Golumbic and
               Aviad Mintz and
               Udi Rotics},
  title     = {Read-Once Functions Revisited and the Readability Number
               of a Boolean Function},
  journal   = {Electronic Notes in Discrete Mathematics},
  volume    = {22},
  year      = {2005},
  pages     = {357-361},
  ee        = {http://dx.doi.org/10.1016/j.endm.2005.06.076},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}