@article{Ramer_1972,
    doi = {10.1016/s0146-664x(72)80017-0},
    url = {https://doi.org/10.1016%2Fs0146-664x%2872%2980017-0},
    year = {1972},
    month = {nov},
    publisher = {Elsevier {BV}},
    volume = {1},
    number = {3},
    pages = {244--256},
    author = {Urs Ramer},
    title = {An iterative procedure for the polygonal approximation of plane curves},
    journal = {Computer Graphics and Image Processing}
}

@article{Ramer_1972, doi = {10.1016/s0146-664x(72)80017-0}, url = {https://doi.org/10.1016%2Fs0146-664x%2872%2980017-0}, year = {1972}, month = {nov}, publisher = {Elsevier {BV}}, volume = {1}, number = {3}, pages = {244--256}, author = {Urs Ramer}, title = {An iterative procedure for the polygonal approximation of plane curves}, journal = {Computer Graphics and Image Processing} }