Crespi-ReghizziM77'

@article{DBLP:journals/iandc/Crespi-ReghizziM77,
  author    = {Stefano Crespi-Reghizzi},
  title     = {Petri Nets and Szilard Languages},
  journal   = {Information and Control},
  volume    = {33},
  number    = {2},
  year      = {1977},
  pages     = {177-192},
  ee        = {http://dx.doi.org/10.1016/S0019-9958(77)90558-7},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}