@inproceedings { AlbrechtEffingerHeldKaufmannKottler2010,
	title = {{Visualization of Complex BPEL Models}},
	booktitle = {Proc. of the 17th International Symposium on Graph Drawing (GD {\textquoteright}09)},
	series = {LNCS},
	year = {2010},
	doi = {10.1007/978-3-642-11805-0_45},
	author = {Benjamin Albrecht and Philip Effinger and Markus Held and Michael Kaufmann and Stephan Kottler}
}