B. F. C. I. E. H. - Ouagadougou, Grenoble, F. R. Geohydraul, Brussels, B. E. European C., y Orleans, F. R. B. R. G. M. -,
«Explanatory notice and recommended usage of the map of potential groundwater resources in Western and Central Africa. Map of potential groundwater resources : guideline[s] for future water programmes specifications and recommendations for data collection». Bureau de Recherches Geologiques et Minieres (BRGM), Orleans, France, p. 2 vol. (74 p. ; 17 p.): fig., tab. + 4 maps, 1986.
B. F. C. I. E. H. - Ouagadougou,
«Treizieme conseil des ministres». Comite Interafricain d'Etudes Hydrauliques (CIEH), Ouagadougou, Burkina Faso, p. 2 vol. (various pagings), 1986.