@article{sahin2014code,
  title={Code-smell detection as a bilevel problem},
  author={Sahin, Dilan and Kessentini, Marouane and Bechikh, Slim and Deb, Kalyanmoy},
  journal={ACM Transactions on Software Engineering and Methodology (TOSEM)},
  volume={24},
  number={1},
  pages={1--44},
  year={2014},
  publisher={ACM New York, NY, USA}
}