@misc{indiciae0076c203e763,
  title = {An enhanced Oct-tree data structure and operations for solid modeling},
  author = {Fujimura, K. and Toriya, H. and Yamaguchi, K. and Kunii, T. L.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840014146},
  note = {Source identifier: 19840014146}
}