1. National Bureau of Statistics of China. China Statistical Yearbook-2005. Beijing: China Statistics Press, 2005, Electronic version: Chapter 11, Section 3 (in Chinese)
2. Ministry of Construction of the People’s Republic of China. City & Town Environment and Sanitation Plan for the Eleventh Five Year. Beijing: 2006 (in Chinese)
3. Bilitewski H, Conrad H, Grischek H. Transposition and reconstruction of old landfill sites in East Germany. In: Proceedings SARDINIA 1995, 5th International Landfill Symposium, Caglari. 1995, 807–818
4. Brammer F, Kucklick M, Collins H J, Hanert H H. Landfill mining: A possibility to reduce landfill volume and environmental pollution. In: Proceedings of SARDINIA 1995, 5th International Landfill Symposium, Caglari. 1995, 795–806
5. Obermeier T, Hensel J, Saure T. Landfill mining: Energy recovery from combustible fractions. In: Proceedings of SARDINIA 1997, 6th International Landfill Symposium, Cagliari. 1997, 569–578