1. Population dynamics of Aspilia africana in lowland bush fallows following shifting cultivation agriculture in southern Nigeria;Adedeji;Acta Oecologica/Oecologia Plantarum,1984
2. The optimum length of planned fallows;Ahn,1978
3. L'arbre et le maintien des potentialités agricoles en zones intertropicale humide;Alexandre,1989
4. Observations sur les premiers stades de la reconstitution de la forÊt dense humide (Sud-Ouest de la Côte d'Ivoire);Alexandre;Cahiers ORSTOM Série Biologie,1978
5. Decline of soil fertility due to intensification of land use by shifting agriculturists in Belize, central America;Arnason;Agro-Ecosystems,1982