3Gu S II, Zhang X L and Wang G H. Energy Use and Agricultural Sustainable Development[M]. Beijing: Beijing Press, 2001.
4Yevich, 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.
5Streets D. G., Shalini Guptaa, Stephanie T, et al. Black carbon emissions in China[J]. Atmospheric Environment, 2001, 35:4281-4296.
6Duan F.k., Liu X. D., Yu T. Identification and estimate of biomass burning contribution to the urban aerosol organic carbon concentrations in Beijing [J]. Atmospheric Environment, 2004, 38(9):1275-1282.
