Hachenberger, Peter 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/2007/1335/ (全文テキスト(全般))
http://scidok.sulb.uni-saarland.de/doku/lic_ohne_pod.php?la=de (著作権譲渡合意書)
Hachenberger, P. (2006). Boolean Operations on 3D Selective Nef Complexes: Data Structure, Algorithms Optimized Implementation, Experiments and Applications. PhD Thesis, Universität des Saarlandes, Saarbrücken.