@article {Simula.SE.42,
	title = {Empirical Studies of Object-Oriented Artifacts, Methods, and Processes: State of the Art and Future Directions},
	journal = {Empirical Software Engineering},
	volume = {4},
	number = {4},
	year = {1999},
	author = {Briand, Lionel and Arisholm, Erik and Counsell, Steve and Houdek, F. and Th{\'e}venod-Fosse, P.}
}
