@phdthesis{He08,
	address = {University of Zurich, Switzerland},
	author = {Hensel, Fabian},
	howpublished = {Diploma Thesis},
	month = {apr},
	title = {Flow-based and Packet level-based Intrusion Detection as Complementary Concepts},
	url = {https://www.csg.uzh.ch/publications/fh-da.pdf},
	year = {2008}
}