1. Cai Cunfu and Wang Huadong. 1987. Research methods for determining air pollution meteorological features and atmospheric diffusion patterns in environmental impact assessment. Institute of Environmental Sciences, Beijing Normal University. Paper presented at the International Environmental Impact Assessment Symposium. Beijing. October, 1987.
2. Cai Lin, Jing Ju, and Guo Baoseng. 1987. A study of critical wind speed and its role in evaluating regional environmental impact. Institute of Environmental Sciences, Beijing Normal University. Paper presented at the International Environmental Impact Assessment Symposium. Beijing. October, 1987.
3. Che Yuhu. 1987. An integrated model for regional and urban environmental planning. Institute of Environmental Sciences, Beijing Normal University. Paper presented at the International Environmental Impact Assessment Symposium. Beijing. October, 1987.
4. Chen Feixing. 1987. The assessment of duration of river pollution using statistical probability. Institute of Environmental Sciences, Beijing Normal University. Paper presented at the International Environmental Impact Assessment Symposium. Beijing. October, 1987.
5. Chu Guanrong. 1987. Methods for compiling series maps of aquatic environmental capacity. Institute of Environmental Sciences, Beijing Normal University. Paper presented at the International Environmental Impact Assessment Symposium. Beijing. October, 1987.