@article{Arnal:89835,
      author        = "Arnal, Á.J. and Diaz-Ramirez, M. and Acevedo, L. and
                       Ferreira, V.J. and Garcia-Armingol, T. and López-Sabiron,
                       A.M. and Ferreira, G.",
      title         = "{Multicriteria analysis for retrofitting of natural gas
                       melting and heating furnaces for sustainable manufacturing
                       and industry 4.0}",
      year          = "2020",
}