@INPROCEEDINGS {
	AUTHOR = "Richard Wettel and Michele Lanza and Romain Robbes",
	TITLE = "Software Systems as Cities: A Controlled Experiment",
	BOOKTITLE = "33rd ACM/IEEE International Conference on Software Engineering (ICSE)",
	PAGES = "551-560",
	MONTH = "May",
	YEAR = "2011",
	PUBLISHER = "ACM Press",
	ISBN = "978-1-4503-0445-0",
	}