@article {5928352,
	title = {A Semi-Automatic Approach for Extracting Software Product Lines},
	journal = {IEEE Transactions on Software Engineering},
	volume = {38},
	number = {99},
	year = {2012},
	pages = {737-754},
	issn = {0098-5589},
	doi = {10.1109/TSE.2011.57},
	url = {https://www.computer.org/csdl/trans/ts/2012/04/tts2012040737-abs.html},
	author = {Valente, Marco and Borges, Virgilio and Passos, Leonardo}
}