@inproceedings{ISSTA-2007-Koster,
	author        = "Ken Koster",
	booktitle     = "{Proceedings of the 16th International Symposium on Software Testing and Analysis}",
	doi           = "10.1145/1273463.1273479",
	isbn          = "978-1-59593-734-6",
	pages         = "108--117",
	publisher     = "{ACM}",
	title         = "{Using portfolio theory for better and more consistent quality}",
	year          = 2007,
}