Antzeko izenburuak: Experiments in consilience :
- Terrestrial ecoregions of Africa and Madagascar : a conservation assessment /
- The Ocean and Costal Conservation Guide : The Blue Movement Directory /
- Nature-friendly communities : habitat protection and land use /
- Alabama wildlife /
- The future of U.S. ocean policy : choices for the new century /
- Water safety plans in Bangladesh : experiences from pilot projects.