8Gu S II, Zhang X L and Wang G H. Energy Use and Agricultural Sustainable Development[M]. Beijing: Beijing Press, 2001.
9Yevich, R., and J. A, Logan. An assessment of biofuel use and burning of agricultural waste in the developing world [J]. Global Biogeochem. Cycles, 2003, 17(4):1095, doi: 10.1029/2002GB001952,1 - 40.
10Streets D. G., Shalini Guptaa, Stephanie T, et al. Black carbon emissions in China[J]. Atmospheric Environment, 2001, 35:4281-4296.
