@article{g2012grain,
  title = {Grain, meat and vegetables to feed Paris: where did and do they come from? Localising Paris food supply areas from the eighteenth to the twenty-first century}
  author = {G. Billen • S. Barles • P. Chatzimpiros • J. Garnier},
  journal = {Regional Environmental Change},
  url = {https://link.springer.com/article/10.1007/s10113-011-0244-7},
  doi = {s10113-011-0244-7},
  year = {2012}
}