@article{DCG_1992__7_4_131194,
     author = {R. Seidel and J. Ruppert},
     title = {On the {Difficulty} of {Triangulating} {Three-Dimensional} {Nonconvex} {Polyhedra.}},
     journal = {Discrete & computational geometry},
     pages = {227--254},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {1992},
     zbl = {0747.52009},
     url = {http://geodesic.mathdoc.fr/item/DCG_1992__7_4_131194/}
}