1. The epidemiology and allergic features of asthma in the New Guinea Highlands;Anderson;Clin. Allergy,1974
2. Tree growth, air pollution, and climate near Laporte;Ashby;Ind. Bull. Am. Meteorol. Soc.,1972
3. Instructions for the Use of the Questionnaire of Respiratory Symptoms;British Medical Research Council's Committee on Research into Chronic Bronchitis,1966
4. Chronic non-specific lung diseases (CNSLD) and asthma;Colley,1982
5. Tree Rings and Climate;Fritts,1976