Boolean set operations on non-manifold boundary representation objects

@article{Grsz1991BooleanSO,
  title={Boolean set operations on non-manifold boundary representation objects},
  author={E. Levent G{\"u}rs{\"o}z and Young Choi and Fritz B. Prinz},
  journal={Computer-Aided Design},
  year={1991},
  volume={23},
  pages={33-39}
}