14. Vegetation patterns and soils in the Mapimi Bolson (Chihuahuan Desert-Mexico) : 2. Polygonal patterns Contributed papers of the second symposium on resources of the Chihuahuan Desert region (United States and Mexico) : botanical biology /Delhoume, Jean-Pierre Montana, C. /Cornet, Antoine RESSOURCES NATURELLES FORMATION VEGETALE DESCRIPTION COUVERT VEGETAL GENESE SOL CARACTERISTIQUE PHYSIQUE CARACTERISTIQUE CHIMIQUE DESSICCATION PLUIE DESERT RESERVE ZONE POLYGONALE CDRI Powell, A.M. 1988 text https://www.documentation.ird.fr/hor/fdi:27267 fdi:27267 Delhoume Jean-Pierre, Montana C., Cornet Antoine. 14. Vegetation patterns and soils in the Mapimi Bolson (Chihuahuan Desert-Mexico) : 2. Polygonal patterns. In : Powell A.M., . Contributed papers of the second symposium on resources of the Chihuahuan Desert region (United States and Mexico) : botanical biology CDRI, 1988, 14 Symposium on Resources of the Chihuahuan Desert Region, 2., Alpine (USA), 1983/10/20-21 EN MEXIQUE