@inproceedings{VISSOFT-2007-KienleM,
	author        = "Holger M. Kienle and Hausi A. Müller",
	booktitle     = "{Proceedings of the Fourth IEEE International Workshop on Visualizing Software for Understanding and Analysis}",
	doi           = "10.1109/VISSOF.2007.4290693",
	isbn          = "1-4244-0600-5",
	pages         = "2--9",
	publisher     = "{IEEE Computer Society}",
	title         = "{Requirements of Software Visualization Tools: A Literature Survey}",
	year          = 2007,
}