@book {Heun/2003,
	title = {{Grundlegende Algorithmen - Einf{\"u}hrung in den Entwurf und die Analyse effizienter Algorithmen}},
	year = {2003},
	month = {May},
	publisher = {Vieweg Verlag},
	edition = {2nd edition},
	keywords = {heun-group},
	isbn = {3-528-11340-5},
	url1 = {<a href="http://www.bio.ifi.lmu.de/~heun/ga/">Errata</a>},
	author = {Volker Heun}
}