1. A characterization of rice-growing environments in West Africa;Andriesse;Agric., Ecosyst. Environ.,1991
2. Resultats de la campagne sèche 1990;Assane,1990
3. Resultats de production saison hivernale 1990;Assane,1991
4. Agro-ecological characterization, classification and mapping. Different approaches by the international agricultural research centres;Brinkman,1987
5. Linking site information and geographically distributed data at different scales and levels of detail;Brinkman,1987