@article { HSC*:2011,
	title = {Drawing Contour Trees in the Plane},
	journal = {IEEE Transactions on Visualization and Computer Graphics},
	volume = {17},
	number = {11},
	year = {2011},
	pages = {1599-1611},
	author = {Heine, C. and Schneider, D. and Carr, Hamish and Gerik Scheuermann}
}
