@techreport{cecile2017accounting,
  title = {Accounting for material flows across the Center-Val de Loire region}
  author = {Cécile Dormoy & Cassandre Mercier},
  url = {http://www.centre-val-de-loire.developpement-durable.gouv.fr/IMG/pdf/rapport_final_flux_de_matieres_rcvl_octobre_2017.pdf},
  year = {2017}
}