@article{LMPS16,
  author    = {Livesu, Marco and Muntoni, Alessandro and Puppo, Enrico and Scateni, Riccardo},
  title     = {Skeleton-driven Adaptive Hexahedral Meshing of Tubular Shapes},
  journal   = {Computer Graphics Forum},
  volume    = {35},
  number    = {7},
  pages     = {237--246},
  year      = {2016},
  doi       = {10.1111/cgf.13021}}