1. Ready-mixed Concrete, GB 14902-(2003).
2. Yi Li, Study on Energy Consumption Quote and Clean Production Assessment System of Commercial Concrete Enterprises [J], master's thesis, Wuhan University of Science and Technology.
3. http://www.chinadmd.com/file/eivxetutaazuautvetpocciz_1.html.
4. 2006 IPCC Guidelines for National Greenhouse Gas Inventories.
5. Gong Zhiqi and Zhang Zhihui, Study on Materialization Environmental Conditions in Cement Life Cycle, No.5, Volume 37, China Civil Engineering Journal, (2004).