1. The use of time: daily activities of urban and suburban populations in twelve countries;Szalai,1972
2. Human activity patterns in the city;Chapin,1974
3. Activity patterns of California residents;Wiley,1991
4. Indoor Pollutants;National Research Council,1981
5. Human Exposure Assessment for Airborne Pollutants: Advances and Opportunities;National Research Council,1991