Wolpert, Nicola Algorithms and Complexity, MPI for Informatics, Max Planck Society; International Max Planck Research School, MPI for Informatics, Max Planck Society;
http://scidok.sulb.uni-saarland.de/volltexte/2004/248/ (Any fulltext)
Wolpert, N. (2002). An Exact and Efficient Approach for Computing a Cell in an Arrangement of Quadrics. PhD Thesis, Universität des Saarlandes, Saarbrücken. doi:10.22028/D291-25753.