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2. Rural energy system in two regions of Uttar Pradesh: First phase report;Agrawal;East-West Resource Systems Institute, Honolulu, Hawaii, ERD PR 1-81-1: IND 1-1,1981
3. Control of emissions from residential wood burning by combustion modification;Allen;USEPA, Research Triangle Park, North Carolina, EPA-600/7-81-091,1981
4. Chronic lung disease and asthma in highland Papua New Guinea;Anderson;Melbourne University, Melbourne, Australia, M.D. thesis,1975
5. Fuel definition and analysis;Arola,1977