@article{guerrero2008spatial,
  title = {Spatial indicator of urban metabolism. Ecological Footprint of the city of Tandil, Argentina}
  author = {Guerrero, Elsa Marcela and Guiñirgo, Fernando},
  journal = {Revista Iberoamericana de Economía Ecológica (Iberoamerican Journal of Ecological Economy)},
  url = {https://www.researchgate.net/publication/28266392_Indicador_espacial_del_metabolismo_urbano_Huella_Ecologica_de_la_ciudad_de_Tandil_Argentina},
  year = {2008}
}