Osbild, Ralf 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/2013/5520/ (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)
Osbild, R. (2012). General Analysis Tool Box for Controlled Perturbation Algorithms and Complexity and Computation of Θ-Guarded Regions. PhD Thesis, Universität des Saarlandes, Saarbrücken.