message: Fix DOI
  Fix
diff: @@ -1076,7 +1076,7 @@ language={English}
  journal = {Computational Geometry: Theory and Applications},
  volume = {58},
  pages = {70--96},
  - doi = "https://doi.org/10.1016/j.comgeo.2016.07.001",
  + doi = "10.1016/j.comgeo.2016.07.001",
  year = {2016}
  }
  