@inproceedings{Jettka2011a,
	Author = {Jettka, Daniel and St{\"u}hrenberg, Maik},
	Crossref = {Balisage2011},
	Title = {Visualization of concurrent markup: From trees to graphs, from 2D to 3D},
	Address = {Montr{\'e}al, Qu{\'e}bec},
	Month = {8},
	Booktitle = {Proceedings of Balisage: The Markup Conference},
	Volume = {7},
	Year = {2011}}