3Westlake K.Sustainable landfill-possibility or pipe-dream[J].Waste Management&Research,1997,15(5):453-461.
4Scharff H.Sustainability and the EU landfill directive.http://www.sustainablelandfill foundation.eu/documenten/Landfill%20general/Sustainability%20and%20the%20EU%201andfill%20directive.pdf[Z].2009-10-15.