@ARTICLE{,
author = {M. T. Valente and V. Borges and L. Passos},
journal = {IEEE Transactions on Software Engineering},
title = {A Semi-Automatic Approach for Extracting Software Product Lines},
year = {2011},
volume = {38},
number = {},
pages = {737-754},
keywords={Software product lines; virtual separation of concerns; refactoring tools; annotations},
doi = {10.1109/TSE.2011.57},
url = {doi.ieeecomputersociety.org/10.1109/TSE.2011.57},
ISSN = {0098-5589},
month={06}
}