@article{wackernagel1999national,
  title = {National natural capital accounting with the ecological footprint concept}
  author = {Wackernagel, Mathis and Onisto, Larry and Bello, Patricia and Callejas Linares, Alejandro and Susana López Falfán, Ina and Méndez Garcı́a, Jesus and Isabel Suárez Guerrero, Ana and Guadalupe Suárez Guerrero, Ma},
  journal = {Ecological Economics},
  url = {https://linkinghub.elsevier.com/retrieve/pii/S0921800998900635},
  year = {1999}
}