van Leeuwen, Erik Jan Algorithms and Complexity, MPI for Informatics, Max Planck Society;
http://drops.dagstuhl.de/opus/volltexte/2016/5756/ (Verlagsversion)
http://drops.dagstuhl.de/doku/urheberrecht1.html (Verlagsvertrag)
Mnich, M., & van Leeuwen, E. J. (2016). Polynomial Kernels for Deletion to Classes of Acyclic Digraphs. In N. Ollinger, & H. Vollmer (Eds.), 33rd International Symposium on Theoretical Aspects of Computer Science (pp. 1-13). Wadern: Schloss Dagstuhl. doi:10.4230/LIPIcs.STACS.2016.55.