1IPCC.1995.IPCC Climate Change 1994:Radioactive forcing of climate change and an evaluation of the IPCC IS92 emission scenarios[R].Houghton J T,Meira Filho LG,Bruce J,Hoesung Lee,Callender B A,Haites E,Harris N & Maskell (eds).UK:Cambridge University Press.
2IPCC.1996.Climate change 1995:The Scientific of Climate Change-Contribution of Working Group I to the Second Assessment of the Intergovernmental Panel on Climate Change[R].Houghton.J.T,Meira Filho.L.G,Bruce's,et al,UK:Cambridge University Press.
3IPCC.2001.Climate change 2001:The Scientific Basis.Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change (IPCC)[R].Houghton J T,Ding Y,Griggs D J,et al,UK:Cambridge University Press.
9SAFELY L.M,WESTERMAN P.W.Psyhrophilic anaerobic digestion of dairy cattle manure,in Agriculture and food Processing Waste[J].Global Biogeochemical Cycles,1990,11:555-572.
10SHARP,HARPER,L.A.,DENMEAD,O.T.,FRENEY,J.R.,and BYERS,F.M.1999:Direct measurements of methane emissions from lagoon of grazing and feedlot cattle[J].Journal of Animal Science,1999,77:1392-1401.
10Houghton J T. Climate Change 1995 : The Science of Climate Change, published for n~cc, in colloaboration with the World Meteorological Organizationand the Union Nations Environment Programme [M]. Cambridge University Press, Cambridge, U.K., 1996:4 - 15.
