Some consequences of the mutual relationship between climate and vegetation in the Sahel and SudanZONNEVELD, I. S.ITC Journal Enschede. 1980, Num 2, pp 255-296Article

Landscape survey and evaluationZONNEVELD, I. S.Journal of arid environments. 1989, Vol 17, Num 2, pp 255-264, issn 0140-1963, 10 p.Conference Paper

The ecosciences in resource and environmental surveys = Les sciences de l'écologie dans les études de milieu et de ressources naturellesZONNEVELD, I. S.ITC journal. 1982, Num 1, pp 17-18, issn 0303-2434Article

Directional reflectance factor distributions for cover types of Northern AfricaKIMES, D. S; NEWCOMB, W. W; TUCKER, C. J et al.Remote sensing of environment. 1985, Vol 18, Num 1, pp 1-19, issn 0034-4257Article