1. Effects of Indoor Air Pollution on Human Health
2. Volatile organic compounds in the indoor air of normal and sick houses
3. Indoor air quality and health
4. WHO (World Health Organization) Regional Office for Europe, WHO Air Quality Guidelines for Air Quality, WHO Regional Publication No. 91, second edition, Copenhagen, 2000.
5. MHLW (Ministry of Health, Labour, and Welfare, Japan), Committee on Sick House Syndrome: Indoor Air Pollution Progress Report No. 1, Tokyo, 2000.