1. Faciès agricoles, site 'Gorom-Gorom' – Notice explicative. Projet FED n° 238/1984 "Surveillance des Ressources Naturelles au Sahel" (PSRN), 14.;AGRHYMET,1991
2. Fractional cover (Fcover). VGT4Africa user manual – first Edition;Baret,2006
3. Small water bodies;Bartholomé,2006
4. Rainfall-runoff modelling;Beven,2001