1. Albalak R., Bruce N., McCracken J.P., and Smith K.R. Indoor respirable particulate matter concentrations from an open fire, improved cookstove, and LPG/open fire combination in a rural Guatemalan community. Environ Sci Technol 2001: 35: 2650–2655.
2. Balakrishnan K., Sankar S., Padmavathi R., Arnold J., Mehta S., Smith K.R., Rao C., Kumar S., Kumar P., Akbar S., and Lvovsky K. Respirable particulate levels in rural households of Andhra Pradesh, India — daily concentration and time activity data. Proceedings of the ninth Indoor Air Conference, Monterey, CA, 2002, pp. 560–565.
3. Boleij J.S.M., Ruigewaard P., Hoek F., Thairu H., Wafula E., Onyango F., and de Koning H. Domestic air pollution from biomass burning in Kenya. Atmos Environ 1989: 23: 1677–1681.
4. Boy E., Bruce N., Smith K.R., and Hernandez R. Fuel efficiency of an improved wood-burning stove in rural Guatemala: implications for health, environment and development. Energy Sustainable Dev 2000: 2: 21–29.
5. Boy E., Bruce N., and Delgado H. Birthweight and exposure to kitchen wood smoke during pregnancy. Environ Health Perspect 2002: 110: 109–114.