@article {IOPORT.03669884,
    author       = {Rowe, Paul P.},
    title        = {Some nonlinear operators for picture processing.},
    year         = {1979},
    journal      = {Pattern Recognition},
    volume       = {11},
    issn         = {0031-3203},
    pages        = {341-342},
    publisher    = {Elsevier Science Ltd. (Pergamon), Oxford},
    doi          = {10.1016/0031-3203(79)90044-X},
    identifier   = {03669884},
}