6 books • 3 series
Book #7: Environmental Challenges of Sub-Saharan Africa
Book #11: Shelter Provision in Developing Countries
Book #20: Methods for Assessing the Effects of Chemicals on Reproductive Functions
Book #21: The Major Biogeochemical Cycles and Their Interactions
Book #22: Effects of Pollutants at the Ecosystem Level
Book #25: Appraisal of Tests to Predict the Environmental Behaviour of Chemicals