Biblio

D. Bernet, “Fleeing drought”, Development and cooperation (D+C), pp. p. 214 - 215; ill., 2013.

Interafrican Committee for Hydraulic Studies, Ouagadougou, Upper Volta, “Savanna regional water resources and land use. Savanna Resources. Vol. 1: Report”. TAMS Agricultural Development Group, New York, NY, USA, p. Page numbering per volume : diagr., maps, tab., 1978.

Interafrican Committee for Hydraulic Studies, Ouagadougou, Upper Volta, “Savanna regional water resources and land use. Volume 5. Existing and planned water use”. TAMS Agricultural Development Group, New York, NY, USA, p. Page numbering per chapter : diagrs., maps, tab., 1978.

B. F. C. I. E. H. - Ouagadougou, “Savanna regional water resources and land use. Volume 6. Existing land use”. Comite Interafricain d'Etudes Hydrauliques (CIEH), Ouagadougou, Burkina Faso, p. Page numbering per chapter : diagrs., maps, tab., 1978.