@conference { HS:2007a,
	title = {Visualization of Barrier Tree Sequences Revisited},
	booktitle = {Visualization in Medicine and Life Sciences},
	year = {2007},
	pages = {275-292},
	publisher = {Springer},
	organization = {Springer},
	address = {Berlin, Germany},
	author = {Heine, C. and Gerik Scheuermann}
}
