@congreso_internacional{433,
  author = {Macarena Espinilla and Da Ruan and Jun Liu and Luis Martínez},
  title = {A Heterogeneous Evaluation Model for Assessing Sustainable Energy: A Belgian Case Study},
  year = {2010},
  volume = {1},
  pages = {227-234},
  month = {July 18-23rd},
  publisher = {WCCI 2010 IEEE World Congress on Computational Intelligence},
  address = {IEEE, Barcelona (Spain)},
}