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2. Termites in tropical building;BRE;Building Research Establishment, Overseas Building Notes,1976
3. The rise and fall of malaria in Europe. A historico-epidemiological study;Bruce-Chwatt,1980
4. Economic assault on Chagas disease;Bucher;New Scientist,1981
5. Environmental health engineering in the tropics: an introductory text;Cairncross,1983