@article{ICPC-J-2008-RoyCK09,
	author        = "Chanchal Kumar Roy and James R. Cordy and Rainer Koschke",
	doi           = "10.1016/j.scico.2009.02.007",
	journal       = "{Science of Computer Programming}",
	number        = 7,
	pages         = "470--495",
	title         = "{Comparison and evaluation of code clone detection techniques and tools: A qualitative approach}",
	volume        = 74,
	year          = 2009,
}