1. Human Response to 78-Hour Exposure to Dry Air
2. I. Andersen, D. Proctor, D. Proctor, and I. Andersen (1982 ) "The fate and effects of inhaled materials ". In: Amsterdam, Elsevier Biomedical.
3. J.V. Bakke, F. Levy, and D. Walkinshaw (1990 ) "Indoor air quality in kindergartens - relation to health effects ". In: Ottawa, Canada Mortgage and Housing Corporation, Vol.1 , pp.3 -8 .