@book{datar:adm-01859401,
  TITLE = {{L'espace nord-champenois}},
  AUTHOR = {DATAR, (collectif)},
  URL = {https://www.documentation-administrative.gouv.fr/adm-01859401},
  YEAR = {1972},
  KEYWORDS = {SESAME ; Prospective ; Travaux et Recherches de Prospective ; TRP ; D{\'e}veloppement r{\'e}gional ; Bassin parisien ; Champagne-Ardenne ; M{\'e}tropole d'{\'e}quilibre ; Planification},
  PDF = {https://www.documentation-administrative.gouv.fr/adm-01859401v1/file/Datar_TRP_024.pdf},
  HAL_ID = {adm-01859401},
  HAL_VERSION = {v1},
}