@article{DBLP:journals/jacm/RosenfeldP66,
  author    = {Azriel Rosenfeld and
               John L. Pfaltz},
  title     = {Sequential Operations in Digital Picture Processing},
  journal   = {J. ACM},
  volume    = {13},
  number    = {4},
  year      = {1966},
  pages     = {471-494},
  ee        = {http://doi.acm.org/10.1145/321356.321357},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}