1. Jx Kasperson, Re Kasperson, Bl Turner II, Critical environmental regions: international perspectives, UN University Press, Tokyo ((in press)).
2. American trypanosomiasis (Chagas' disease): a tropical disease now in the United States;Kirchhoff;N Engl Med,1993
3. World development report 1993: investing in health;World Bank,1993
4. Tropical deforestation and habitat fragmentation in the Amazon;Skole;Science,1993
5. Control of Chagas' disease;Who;Tech Rep Ser WHO,1991