% Not in the source data: doi, abstract
@article{gracia-2013-hybrid-approach-based,
  author = {Gracia, Carlos and Andrés, Carlos and Gracia, Luis},
  title = {{A hybrid approach based on genetic algorithms to solve the problem of cutting structural beams in a metalwork company}},
  journal = {Journal of Heuristics},
  year = {2013},
  volume = {19},
  number = {2},
  pages = {253--273}
}