@article {IOPORT.50130199,
    author       = {Piegl, Les A. and Richard, Arnaud M.},
    title        = {Algorithm and data structure for triangulating multiply connected polygonal domains},
    year         = {1993},
    journal      = {Computers & Graphics},
    volume       = {17},
    number       = {5},
    pages        = {563-574},
    doi          = {10.1016/0097-8493(93)90007-V},
    identifier   = {50130199},
}