@article{loop1987smooth,
    author = {Loop, Charles},
    title = {Smooth Subdivision Surfaces Based on Triangles},
    year = {1987},
    journal = {Department of Mathematics, The University of Utah, Masters Thesis},
    month = 1,
    abstract = {Department of Mathematics, The University of Utah, Masters Thesis},
    url = {https://www.microsoft.com/en-us/research/publication/smooth-subdivision-surfaces-based-on-triangles/},
}

 @article{DBLP:journals/cvgip/Chaikin74,
  author    = {George Merrill Chaikin},
  title     = {An algorithm for high-speed curve generation},
  journal   = {Comput. Graph. Image Process.},
  volume    = {3},
  number    = {4},
  pages     = {346--349},
  year      = {1974},
  url       = {https://doi.org/10.1016/0146-664X(74)90028-8},
  doi       = {10.1016/0146-664X(74)90028-8},
  timestamp = {Wed, 20 May 2020 16:37:23 +0200},
  biburl    = {https://dblp.org/rec/journals/cvgip/Chaikin74.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}