@techreport{fdi:18390,
  title = {{E}ssai de d{\'e}limitation du tropique semi-aride ({B}r{\'e}sil) par l'analyse graphique},
  author = {{M}archal, {J}ean-{Y}ves},
  editor = {},
  language = {{FR}},
  abstract = {},
  keywords = {{CARTE} ; {MILIEU} {NATUREL} ; {HISTOIRE} {DU} {PEUPLEMENT} ; {CHEPTEL} ; {REPRESENTATION} {CARTOGRAPHIQUE} ; {BRESIL} ; {ZONE} {SEMIARIDE} ; {NORDESTE}},
  address = {{P}aris},
  publisher = {{ORSTOM}},
  series = {},
  pages = {40  multigr.},
  year = {1981},
  URL = {https://www.documentation.ird.fr/hor/fdi:18390},
}