1. United Nations' Global Enviornmental Facility Report: China: Issues and options in greenhouse gas emissions control—pre-feasibility study on high-efficiency industrial boilers, August, 1994.
2. Reports of Boiler Thermal Balance Test, the Department of Thermal Engineering at Taiyuan University of Technology, Shanxi, China, 1996.
3. Reports of Boiler Thermal Balance Test, the Center of Energy Conservation of Zhengzhou, Henan, China, 1996.
4. Reports of Boiler Thermal Balance Test, the Center of Energy Conservation of Nanjing, Jiangsu, China, 1996.
5. Technical Guidebook. volume 2. Industrial boilers. Shanghai Industrial Boiler Institute, 1981.