1. Land Degradation. Development and Breakdown of Terrestrial Environments;Barrow,1991
2. Boer, M.M., 1999. Assessment of Dryland Degradation: Linking Theory and Practice Through Site Water Balance Modelling. PhD, Department of Physics and Geography, Utrecht University, Utrecht, The Netherlands, 304 pp.
3. Mediterranean Desertification and Land Use;Brandt,1996
4. A comparison of direct and indirect methods for measuring leaf and surface area of individual Retama bushes;Brenner;Plant, Cell and Environment,1995
5. The effect of clumping and stomatal response on evaporation from sparsely vegetated shrublands;Brenner;Agricultural and Forest Meteorology,1997