9ZHANG Dongqing, TAN S K, GERSBERG R M. Municipal solid waste management in China: status, problems and challenges[J]. Journal of Environmental Management, 2010, 91 (8) : 1623-1633.
10CHEN Zezhi, GONG Huijuan,JIANG Ru, et al. Overview on LFG projects in China[J]. Waste Management, 2010,30 (6) : 1006-1010.