@article{PLCGS21,
  title   = {Generalized Adaptive Refinement for Grid-based Hexahedral Meshing},
  author  = {Pitzalis, Luca and Livesu, Marco and Cherchi, Gianmarco and Gobbetti, Enrico and Scateni, Riccardo},
  journal = {ACM Transactions on Graphics (SIGGRAPH Asia)},
  volume  = {40},
  number  = {6},
  year    = {2021},
  DOI     = {10.1145/3478513.3480508}}